# User:Guy vandegrift/Quizbank/Archive1/College Physics/I T2

## Contents

## TrigPhys_I_T2sample[edit]

If you are reading this as a Wikiversity page, proper pagebreaks should result if printed using your browser's print option. On Chrome, Explorer, and Firefox, this option is available in the upper right hand corner of your screen. But, pagebreaks do not render properly if you use "Printable version" on Wikiversity's Print/export option on the left-hand sidebar.

- This document contains either a study guide OR pairs of exams taken from the same exam bank
- If two exams have the same s-number, then v1 and v2 have the same questions, presented in different (random) order.
- Exams with different s-numbers have different questions and may not have the same difficulty.
- Click items in the table of contents and appropriate page should be reached. This feature should allow you to print only those pages that you need.

- At the end of this document
**Attribution**for the quizzes identifies where the questions were obtained**Study guide**links reading materials and/or relevant equations.

### TrigPhys_I_T2sample-v1s1[edit]

_{1}is 6.4 kg, and the mass of m

_{2}is 3.7 kg. If the external force, F

_{ext}on m

_{2}is 135 N, what is the tension in the connecting string? Assume no friction is present.

- ___a) 74.4 N

- ___b) 85.5 N

- ___c) 98.4 N

- ___d) 113.1 N

- ___e) 130.1 N

2. If you toss a coin into the air, the velocity while it as its highest point is

- ___ a) zero

- ___ b) down

- ___ c) up

3. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- ___ a) north

- ___ b) northeast

- ___ c) northwest

- ___ d) northeast

- ___ e) southeast

_{1}is 19 degrees, and θ

_{3}is 38 degrees. The tension T

_{3}is 21 N. What is the tension, T

_{1}?

- ___a) 10.01 N.

- ___b) 11.51 N.

- ___c) 13.23 N.

- ___d) 15.22 N.

- ___e) 17.5 N.

5. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- ___ a) east

- ___ b) south

- ___ c) north

- ___ d) zero

- ___ e) west

6. A merry-go round has a period of 0.36 minutes. What is the minimum coefficient of static friction that would allow a 67.1 kg person to stand1.19 meters from the center, without grabbing something?

- ___a) 0.006

- ___b) 0.007

- ___c) 0.008

- ___d) 0.009

- ___e) 0.01

_{1}is 20 degrees , and θ

_{3}is 33 degrees . The mass has a

*weight*of 31 N. What is the tension, T

_{1}?

- ___a) 32.55 N.

- ___b) 37.44 N.

- ___c) 43.05 N.

- ___d) 49.51 N.

- ___e) 56.94 N.

8. What is the gravitational acceleration on a plant that is 1.96 times more massive than Earth, and a radius that is 1.62 times greater than Earths?

- ___a) 4.8 m/s
^{2}

- ___b) 5.5 m/s
^{2}

- ___c) 6.4 m/s
^{2}

- ___d) 7.3 m/s
^{2}

- ___e) 8.4 m/s
^{2}

9. If you toss a coin into the air, the velocity on the way up is

- ___ a) up

- ___ b) zero

- ___ c) down

10. A car is traveling west and slowing down. The acceleration is

- ___ a) to the east

- ___ b) to the west

- ___ c) zero

11. A sled of mass 2.5 kg is on perfectly smooth surface. A string pulls with a tension of 17.7N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 3.1 m/s^{2}?

- ___a) 48.4 degrees

- ___b) 55.7 degrees

- ___c) 64 degrees

- ___d) 73.6 degrees

- ___e) 84.7 degrees

12. A car is traveling east and speeding up. The acceleration is

- ___ a) to the east

- ___ b) zero

- ___ c) to the west

13. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

- ___ a) northeast

- ___ b) southwest

- ___ c) northwest

- ___ d) north

- ___ e) south

14. A 2.2 kg mass is sliding along a surface that has a kinetic coefficient of friction equal to 0.59 . In addition to the surface friction, there is also an air drag equal to 14 N. What is the magnitude (absolute value) of the acceleration?

- ___a) 6.9 m/s
^{2}.

- ___b) 8 m/s
^{2}.

- ___c) 9.2 m/s
^{2}.

- ___d) 10.6 m/s
^{2}.

- ___e) 12.1 m/s
^{2}.

15. A sled of mass 5.7 kg is at rest on a rough surface. A string pulls with a tension of 40.1N at an angle of 42 degress above the horizontal. What is the normal force?

- ___a) 29.03 N.

- ___b) 33.38 N.

- ___c) 38.39 N.

- ___d) 44.15 N.

- ___e) 50.77 N.

#### Key to TrigPhys_I_T2sample-v1s1[edit]

_{1}is 6.4 kg, and the mass of m

_{2}is 3.7 kg. If the external force, F

_{ext}on m

_{2}is 135 N, what is the tension in the connecting string? Assume no friction is present.

- -a) 74.4 N

- +b) 85.5 N

- -c) 98.4 N

- -d) 113.1 N

- -e) 130.1 N

2. If you toss a coin into the air, the velocity while it as its highest point is

- + a) zero

- - b) down

- - c) up

3. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- + a) north

- - b) northeast

- - c) northwest

- - d) northeast

- - e) southeast

_{1}is 19 degrees, and θ

_{3}is 38 degrees. The tension T

_{3}is 21 N. What is the tension, T

_{1}?

- -a) 10.01 N.

- -b) 11.51 N.

- -c) 13.23 N.

- -d) 15.22 N.

- +e) 17.5 N.

5. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- + a) east

- - b) south

- - c) north

- - d) zero

- - e) west

6. A merry-go round has a period of 0.36 minutes. What is the minimum coefficient of static friction that would allow a 67.1 kg person to stand1.19 meters from the center, without grabbing something?

- -a) 0.006

- -b) 0.007

- -c) 0.008

- -d) 0.009

- +e) 0.01

_{1}is 20 degrees , and θ

_{3}is 33 degrees . The mass has a

*weight*of 31 N. What is the tension, T

_{1}?

- +a) 32.55 N.

- -b) 37.44 N.

- -c) 43.05 N.

- -d) 49.51 N.

- -e) 56.94 N.

8. What is the gravitational acceleration on a plant that is 1.96 times more massive than Earth, and a radius that is 1.62 times greater than Earths?

- -a) 4.8 m/s
^{2}

- -a) 4.8 m/s

- -b) 5.5 m/s
^{2}

- -b) 5.5 m/s

- -c) 6.4 m/s
^{2}

- -c) 6.4 m/s

- +d) 7.3 m/s
^{2}

- +d) 7.3 m/s

- -e) 8.4 m/s
^{2}

- -e) 8.4 m/s

9. If you toss a coin into the air, the velocity on the way up is

- + a) up

- - b) zero

- - c) down

10. A car is traveling west and slowing down. The acceleration is

- + a) to the east

- - b) to the west

- - c) zero

11. A sled of mass 2.5 kg is on perfectly smooth surface. A string pulls with a tension of 17.7N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 3.1 m/s^{2}?

- -a) 48.4 degrees

- -b) 55.7 degrees

- +c) 64 degrees

- -d) 73.6 degrees

- -e) 84.7 degrees

12. A car is traveling east and speeding up. The acceleration is

- + a) to the east

- - b) zero

- - c) to the west

13. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

- - a) northeast

- - b) southwest

- + c) northwest

- - d) north

- - e) south

14. A 2.2 kg mass is sliding along a surface that has a kinetic coefficient of friction equal to 0.59 . In addition to the surface friction, there is also an air drag equal to 14 N. What is the magnitude (absolute value) of the acceleration?

- -a) 6.9 m/s
^{2}.

- -a) 6.9 m/s

- -b) 8 m/s
^{2}.

- -b) 8 m/s

- -c) 9.2 m/s
^{2}.

- -c) 9.2 m/s

- -d) 10.6 m/s
^{2}.

- -d) 10.6 m/s

- +e) 12.1 m/s
^{2}.

- +e) 12.1 m/s

15. A sled of mass 5.7 kg is at rest on a rough surface. A string pulls with a tension of 40.1N at an angle of 42 degress above the horizontal. What is the normal force?

- +a) 29.03 N.

- -b) 33.38 N.

- -c) 38.39 N.

- -d) 44.15 N.

- -e) 50.77 N.

### TrigPhys_I_T2sample-v2s1[edit]

1. If you toss a coin into the air, the velocity on the way up is

- ___ a) down

- ___ b) up

- ___ c) zero

_{1}is 6.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 101 N, what is the tension in the connecting string? Assume no friction is present.

- ___a) 55.6 N

- ___b) 64 N

- ___c) 73.6 N

- ___d) 84.6 N

- ___e) 97.3 N

3. A sled of mass 5.7 kg is at rest on a rough surface. A string pulls with a tension of 40.1N at an angle of 42 degress above the horizontal. What is the normal force?

- ___a) 29.03 N.

- ___b) 33.38 N.

- ___c) 38.39 N.

- ___d) 44.15 N.

- ___e) 50.77 N.

4. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- ___ a) north

- ___ b) south

- ___ c) east

- ___ d) west

- ___ e) zero

5. A 2.3 kg mass is sliding along a surface that has a kinetic coefficient of friction equal to 0.41 . In addition to the surface friction, there is also an air drag equal to 16 N. What is the magnitude (absolute value) of the acceleration?

- ___a) 7.2 m/s
^{2}.

- ___b) 8.3 m/s
^{2}.

- ___c) 9.5 m/s
^{2}.

- ___d) 11 m/s
^{2}.

- ___e) 12.6 m/s
^{2}.

_{1}is 16 degrees , and θ

_{3}is 35 degrees . The mass has a 'weight' of 28 N. What is the tension, T

_{1}?

- ___a) 19.41 N.

- ___b) 22.32 N.

- ___c) 25.66 N.

- ___d) 29.51 N.

- ___e) 33.94 N.

7. A sled of mass 2.1 kg is on perfectly smooth surface. A string pulls with a tension of 17.7N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 3.6 m/s^{2}?

- ___a) 56.3 degrees

- ___b) 64.7 degrees

- ___c) 74.4 degrees

- ___d) 85.6 degrees

- ___e) 98.4 degrees

8. A merry-go round has a period of 0.36 minutes. What is the minimum coefficient of static friction that would allow a 67.1 kg person to stand1.19 meters from the center, without grabbing something?

- ___a) 0.006

- ___b) 0.007

- ___c) 0.008

- ___d) 0.009

- ___e) 0.01

9. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- ___ a) north

- ___ b) northwest

- ___ c) northeast

- ___ d) northeast

- ___ e) southeast

10. A car is traveling east and speeding up. The acceleration is

- ___ a) to the east

- ___ b) zero

- ___ c) to the west

_{1}is 20 degrees, and θ

_{3}is 29 degrees. The tension T

_{3}is 25 N. What is the tension, T

_{1}?

- ___a) 13.3 N.

- ___b) 15.3 N.

- ___c) 17.59 N.

- ___d) 20.23 N.

- ___e) 23.27 N.

12. What is the gravitational acceleration on a plant that is 2.59 times more massive than Earth, and a radius that is 1.75 times greater than Earths?

- ___a) 8.3 m/s
^{2}

- ___b) 9.5 m/s
^{2}

- ___c) 11 m/s
^{2}

- ___d) 12.6 m/s
^{2}

- ___e) 14.5 m/s
^{2}

13. If you toss a coin into the air, the velocity while it as its highest point is

- ___ a) zero

- ___ b) up

- ___ c) down

14. A car is traveling west and slowing down. The acceleration is

- ___ a) to the west

- ___ b) zero

- ___ c) to the east

15. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

- ___ a) south

- ___ b) north

- ___ c) southwest

- ___ d) northeast

- ___ e) northwest

#### Key to TrigPhys_I_T2sample-v2s1[edit]

1. If you toss a coin into the air, the velocity on the way up is

- - a) down

- + b) up

- - c) zero

_{1}is 6.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 101 N, what is the tension in the connecting string? Assume no friction is present.

- -a) 55.6 N

- -b) 64 N

- +c) 73.6 N

- -d) 84.6 N

- -e) 97.3 N

3. A sled of mass 5.7 kg is at rest on a rough surface. A string pulls with a tension of 40.1N at an angle of 42 degress above the horizontal. What is the normal force?

- +a) 29.03 N.

- -b) 33.38 N.

- -c) 38.39 N.

- -d) 44.15 N.

- -e) 50.77 N.

4. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- - a) north

- - b) south

- + c) east

- - d) west

- - e) zero

5. A 2.3 kg mass is sliding along a surface that has a kinetic coefficient of friction equal to 0.41 . In addition to the surface friction, there is also an air drag equal to 16 N. What is the magnitude (absolute value) of the acceleration?

- -a) 7.2 m/s
^{2}.

- -a) 7.2 m/s

- -b) 8.3 m/s
^{2}.

- -b) 8.3 m/s

- -c) 9.5 m/s
^{2}.

- -c) 9.5 m/s

- +d) 11 m/s
^{2}.

- +d) 11 m/s

- -e) 12.6 m/s
^{2}.

- -e) 12.6 m/s

_{1}is 16 degrees , and θ

_{3}is 35 degrees . The mass has a 'weight' of 28 N. What is the tension, T

_{1}?

- -a) 19.41 N.

- -b) 22.32 N.

- -c) 25.66 N.

- +d) 29.51 N.

- -e) 33.94 N.

7. A sled of mass 2.1 kg is on perfectly smooth surface. A string pulls with a tension of 17.7N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 3.6 m/s^{2}?

- -a) 56.3 degrees

- +b) 64.7 degrees

- -c) 74.4 degrees

- -d) 85.6 degrees

- -e) 98.4 degrees

8. A merry-go round has a period of 0.36 minutes. What is the minimum coefficient of static friction that would allow a 67.1 kg person to stand1.19 meters from the center, without grabbing something?

- -a) 0.006

- -b) 0.007

- -c) 0.008

- -d) 0.009

- +e) 0.01

9. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The velocity vector points

- + a) north

- - b) northwest

- - c) northeast

- - d) northeast

- - e) southeast

10. A car is traveling east and speeding up. The acceleration is

- + a) to the east

- - b) zero

- - c) to the west

_{1}is 20 degrees, and θ

_{3}is 29 degrees. The tension T

_{3}is 25 N. What is the tension, T

_{1}?

- -a) 13.3 N.

- -b) 15.3 N.

- -c) 17.59 N.

- -d) 20.23 N.

- +e) 23.27 N.

12. What is the gravitational acceleration on a plant that is 2.59 times more massive than Earth, and a radius that is 1.75 times greater than Earths?

- +a) 8.3 m/s
^{2}

- +a) 8.3 m/s

- -b) 9.5 m/s
^{2}

- -b) 9.5 m/s

- -c) 11 m/s
^{2}

- -c) 11 m/s

- -d) 12.6 m/s
^{2}

- -d) 12.6 m/s

- -e) 14.5 m/s
^{2}

- -e) 14.5 m/s

13. If you toss a coin into the air, the velocity while it as its highest point is

- + a) zero

- - b) up

- - c) down

14. A car is traveling west and slowing down. The acceleration is

- - a) to the west

- - b) zero

- + c) to the east

15. A car is headed due north and increasing its speed. It is also turning left because it is also traveling in a perfect circle. The acceleration vector points

- - a) south

- - b) north

- - c) southwest

- - d) northeast

- + e) northwest

### TrigPhys_I_T2sample-v1s2[edit]

1. A mass with weight (mg) of 27 newtons is suspended symmetrically from two strings. The angle between the two strings (i.e. where they are attached to the mass) is 70 degrees. What is the tension in the string?

- ___a) 12.5 N.

- ___b) 14.3 N.

- ___c) 16.5 N.

- ___d) 19 N.

- ___e) 21.8 N.

2. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- ___ a) zero

- ___ b) north

- ___ c) south

- ___ d) west

- ___ e) east

3. A merry-go round has a period of 0.22 minutes. What is the minimum coefficient of static friction that would allow a 96.9 kg person to stand1.95 meters from the center, without grabbing something?

- ___a) 0.03

- ___b) 0.034

- ___c) 0.039

- ___d) 0.045

- ___e) 0.052

4. If you toss a coin into the air, the velocity while it as its highest point is

- ___ a) zero

- ___ b) up

- ___ c) down

5. If you toss a coin into the air, the acceleration on the way down is

- ___ a) up

- ___ b) down

- ___ c) zero

6. If you toss a coin into the air, the velocity on the way up is

- ___ a) down

- ___ b) zero

- ___ c) up

7. A sled of mass 2.6 kg is on perfectly smooth surface. A string pulls with a tension of 19.3N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 2.5 m/s^{2}?

- ___a) 70.3 degrees

- ___b) 80.9 degrees

- ___c) 93 degrees

- ___d) 106.9 degrees

- ___e) 123 degrees

8. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- ___ a) south

- ___ b) west

- ___ c) north

- ___ d) east

- ___ e) zero

9. If you toss a coin into the air, the velocity on the way down is

- ___ a) up

- ___ b) zero

- ___ c) down

_{1}is 20 degrees, and θ

_{3}is 29 degrees. The tension T

_{3}is 25 N. What is the tension, T

_{1}?

- ___a) 13.3 N.

- ___b) 15.3 N.

- ___c) 17.59 N.

- ___d) 20.23 N.

- ___e) 23.27 N.

_{1}is 5.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 159 N, what is the tension in the connecting string? Assume that m

_{1}has a kinetic coefficient of friction equal to 0.34, and that for m

_{2}the coefficient is 0.46 .

- ___a) 82 N

- ___b) 94.3 N

- ___c) 108.5 N

- ___d) 124.8 N

- ___e) 143.5 N

12. What is the gravitational acceleration on a plant that is 1.73 times more dense than Earth, and a radius that is 2.44 times greater than Earth's?

- ___a) 41.4 m/s
^{2}

- ___b) 47.6 m/s
^{2}

- ___c) 54.7 m/s
^{2}

- ___d) 62.9 m/s
^{2}

- ___e) 72.4 m/s
^{2}

13. A sled of mass 5.4 kg is at rest on a rough surface. A string pulls with a tension of 46.6N at an angle of 38 degress above the horizontal. What is the magnitude of the friction?

- ___a) 36.72 N.

- ___b) 42.23 N.

- ___c) 48.56 N.

- ___d) 55.85 N.

- ___e) 64.23 N.

*mass*is 2.5 kg. What is T

_{1}?

- ___a) 32.5 N.

- ___b) 39 N.

- ___c) 46.8 N.

- ___d) 56.2 N.

- ___e) 67.4 N.

15. As the Moon circles Earth, the acceleration of the Moon is

- ___ a) away from Earth

- ___ b) in the same direction as the Moon's velocity

- ___ c) zero

- ___ d) opposite the direction of the Moon's velocity

- ___ e) towards Earth

#### Key to TrigPhys_I_T2sample-v1s2[edit]

1. A mass with weight (mg) of 27 newtons is suspended symmetrically from two strings. The angle between the two strings (i.e. where they are attached to the mass) is 70 degrees. What is the tension in the string?

- -a) 12.5 N.

- -b) 14.3 N.

- +c) 16.5 N.

- -d) 19 N.

- -e) 21.8 N.

2. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- - a) zero

- - b) north

- - c) south

- - d) west

- + e) east

3. A merry-go round has a period of 0.22 minutes. What is the minimum coefficient of static friction that would allow a 96.9 kg person to stand1.95 meters from the center, without grabbing something?

- -a) 0.03

- -b) 0.034

- -c) 0.039

- +d) 0.045

- -e) 0.052

4. If you toss a coin into the air, the velocity while it as its highest point is

- + a) zero

- - b) up

- - c) down

5. If you toss a coin into the air, the acceleration on the way down is

- - a) up

- + b) down

- - c) zero

6. If you toss a coin into the air, the velocity on the way up is

- - a) down

- - b) zero

- + c) up

7. A sled of mass 2.6 kg is on perfectly smooth surface. A string pulls with a tension of 19.3N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 2.5 m/s^{2}?

- +a) 70.3 degrees

- -b) 80.9 degrees

- -c) 93 degrees

- -d) 106.9 degrees

- -e) 123 degrees

8. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- - a) south

- + b) west

- - c) north

- - d) east

- - e) zero

9. If you toss a coin into the air, the velocity on the way down is

- - a) up

- - b) zero

- + c) down

_{1}is 20 degrees, and θ

_{3}is 29 degrees. The tension T

_{3}is 25 N. What is the tension, T

_{1}?

- -a) 13.3 N.

- -b) 15.3 N.

- -c) 17.59 N.

- -d) 20.23 N.

- +e) 23.27 N.

_{1}is 5.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 159 N, what is the tension in the connecting string? Assume that m

_{1}has a kinetic coefficient of friction equal to 0.34, and that for m

_{2}the coefficient is 0.46 .

- -a) 82 N

- -b) 94.3 N

- +c) 108.5 N

- -d) 124.8 N

- -e) 143.5 N

12. What is the gravitational acceleration on a plant that is 1.73 times more dense than Earth, and a radius that is 2.44 times greater than Earth's?

- +a) 41.4 m/s
^{2}

- +a) 41.4 m/s

- -b) 47.6 m/s
^{2}

- -b) 47.6 m/s

- -c) 54.7 m/s
^{2}

- -c) 54.7 m/s

- -d) 62.9 m/s
^{2}

- -d) 62.9 m/s

- -e) 72.4 m/s
^{2}

- -e) 72.4 m/s

13. A sled of mass 5.4 kg is at rest on a rough surface. A string pulls with a tension of 46.6N at an angle of 38 degress above the horizontal. What is the magnitude of the friction?

- +a) 36.72 N.

- -b) 42.23 N.

- -c) 48.56 N.

- -d) 55.85 N.

- -e) 64.23 N.

*mass*is 2.5 kg. What is T

_{1}?

- +a) 32.5 N.

- -b) 39 N.

- -c) 46.8 N.

- -d) 56.2 N.

- -e) 67.4 N.

15. As the Moon circles Earth, the acceleration of the Moon is

- - a) away from Earth

- - b) in the same direction as the Moon's velocity

- - c) zero

- - d) opposite the direction of the Moon's velocity

- + e) towards Earth

### TrigPhys_I_T2sample-v2s2[edit]

1. If you toss a coin into the air, the velocity while it as its highest point is

- ___ a) up

- ___ b) down

- ___ c) zero

2. A sled of mass 2.6 kg is on perfectly smooth surface. A string pulls with a tension of 19.2N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 2.4 m/s^{2}?

- ___a) 53.7 degrees

- ___b) 61.8 degrees

- ___c) 71 degrees

- ___d) 81.7 degrees

- ___e) 93.9 degrees

3. A mass with weight (mg) of 48 newtons is suspended symmetrically from two strings. The angle between the two strings (i.e. where they are attached to the mass) is 46 degrees. What is the tension in the string?

- ___a) 22.7 N.

- ___b) 26.1 N.

- ___c) 30 N.

- ___d) 34.5 N.

- ___e) 39.7 N.

_{1}is 5.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 159 N, what is the tension in the connecting string? Assume that m

_{1}has a kinetic coefficient of friction equal to 0.34, and that for m

_{2}the coefficient is 0.46 .

- ___a) 82 N

- ___b) 94.3 N

- ___c) 108.5 N

- ___d) 124.8 N

- ___e) 143.5 N

_{1}is 15 degrees, and θ

_{3}is 37 degrees. The tension T

_{3}is 22 N. What is the tension, T

_{1}?

- ___a) 11.96 N.

- ___b) 13.75 N.

- ___c) 15.82 N.

- ___d) 18.19 N.

- ___e) 20.92 N.

6. A sled of mass 5.8 kg is at rest on a rough surface. A string pulls with a tension of 42.3N at an angle of 40 degress above the horizontal. What is the magnitude of the friction?

- ___a) 21.31 N.

- ___b) 24.5 N.

- ___c) 28.18 N.

- ___d) 32.4 N.

- ___e) 37.26 N.

7. If you toss a coin into the air, the acceleration on the way down is

- ___ a) zero

- ___ b) down

- ___ c) up

8. What is the gravitational acceleration on a plant that is 1.94 times more dense than Earth, and a radius that is 2.35 times greater than Earth's?

- ___a) 38.9 m/s
^{2}

- ___b) 44.7 m/s
^{2}

- ___c) 51.4 m/s
^{2}

- ___d) 59.1 m/s
^{2}

- ___e) 67.9 m/s
^{2}

9. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- ___ a) west

- ___ b) north

- ___ c) east

- ___ d) south

- ___ e) zero

10. If you toss a coin into the air, the velocity on the way down is

- ___ a) down

- ___ b) zero

- ___ c) up

11. A merry-go round has a period of 0.34 minutes. What is the minimum coefficient of static friction that would allow a 51.4 kg person to stand3.09 meters from the center, without grabbing something?

- ___a) 0.017

- ___b) 0.02

- ___c) 0.023

- ___d) 0.026

- ___e) 0.03

12. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- ___ a) west

- ___ b) south

- ___ c) zero

- ___ d) east

- ___ e) north

13. As the Moon circles Earth, the acceleration of the Moon is

- ___ a) zero

- ___ b) away from Earth

- ___ c) towards Earth

- ___ d) opposite the direction of the Moon's velocity

- ___ e) in the same direction as the Moon's velocity

14. If you toss a coin into the air, the velocity on the way up is

- ___ a) up

- ___ b) down

- ___ c) zero

*mass*is 3.1 kg. What is T

_{1}?

- ___a) 79.1 N.

- ___b) 95 N.

- ___c) 114 N.

- ___d) 136.8 N.

- ___e) 164.1 N.

#### Key to TrigPhys_I_T2sample-v2s2[edit]

1. If you toss a coin into the air, the velocity while it as its highest point is

- - a) up

- - b) down

- + c) zero

2. A sled of mass 2.6 kg is on perfectly smooth surface. A string pulls with a tension of 19.2N. At what angle above the horizontal must the string pull in order to achieve an accelerations of 2.4 m/s^{2}?

- -a) 53.7 degrees

- -b) 61.8 degrees

- +c) 71 degrees

- -d) 81.7 degrees

- -e) 93.9 degrees

3. A mass with weight (mg) of 48 newtons is suspended symmetrically from two strings. The angle between the two strings (i.e. where they are attached to the mass) is 46 degrees. What is the tension in the string?

- -a) 22.7 N.

- +b) 26.1 N.

- -c) 30 N.

- -d) 34.5 N.

- -e) 39.7 N.

_{1}is 5.7 kg, and the mass of m

_{2}is 2.5 kg. If the external force, F

_{ext}on m

_{2}is 159 N, what is the tension in the connecting string? Assume that m

_{1}has a kinetic coefficient of friction equal to 0.34, and that for m

_{2}the coefficient is 0.46 .

- -a) 82 N

- -b) 94.3 N

- +c) 108.5 N

- -d) 124.8 N

- -e) 143.5 N

_{1}is 15 degrees, and θ

_{3}is 37 degrees. The tension T

_{3}is 22 N. What is the tension, T

_{1}?

- -a) 11.96 N.

- -b) 13.75 N.

- -c) 15.82 N.

- +d) 18.19 N.

- -e) 20.92 N.

6. A sled of mass 5.8 kg is at rest on a rough surface. A string pulls with a tension of 42.3N at an angle of 40 degress above the horizontal. What is the magnitude of the friction?

- -a) 21.31 N.

- -b) 24.5 N.

- -c) 28.18 N.

- +d) 32.4 N.

- -e) 37.26 N.

7. If you toss a coin into the air, the acceleration on the way down is

- - a) zero

- + b) down

- - c) up

8. What is the gravitational acceleration on a plant that is 1.94 times more dense than Earth, and a radius that is 2.35 times greater than Earth's?

- -a) 38.9 m/s
^{2}

- -a) 38.9 m/s

- +b) 44.7 m/s
^{2}

- +b) 44.7 m/s

- -c) 51.4 m/s
^{2}

- -c) 51.4 m/s

- -d) 59.1 m/s
^{2}

- -d) 59.1 m/s

- -e) 67.9 m/s
^{2}

- -e) 67.9 m/s

9. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning west, the acceleration is

- + a) west

- - b) north

- - c) east

- - d) south

- - e) zero

10. If you toss a coin into the air, the velocity on the way down is

- + a) down

- - b) zero

- - c) up

11. A merry-go round has a period of 0.34 minutes. What is the minimum coefficient of static friction that would allow a 51.4 kg person to stand3.09 meters from the center, without grabbing something?

- -a) 0.017

- -b) 0.02

- -c) 0.023

- -d) 0.026

- +e) 0.03

12. A car is traveling in a perfect circle at constant speed. If the car is headed north while turning east, the acceleration is

- - a) west

- - b) south

- - c) zero

- + d) east

- - e) north

13. As the Moon circles Earth, the acceleration of the Moon is

- - a) zero

- - b) away from Earth

- + c) towards Earth

- - d) opposite the direction of the Moon's velocity

- - e) in the same direction as the Moon's velocity

14. If you toss a coin into the air, the velocity on the way up is

- + a) up

- - b) down

- - c) zero

*mass*is 3.1 kg. What is T

_{1}?

- +a) 79.1 N.

- -b) 95 N.

- -c) 114 N.

- -d) 136.8 N.

- -e) 164.1 N.

- Attribution (for quiz questions) under CC-by-SA license

- http://en.wikiversity.org/w/index.php?title=Physics_equations/18-Electric_charge_and_field/Q:findE&oldid=1378605
- http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Conceptual_physics_wikiquizzes/Velocity_and_acceleration&oldid=137851
- Study guide

- http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
- http://en.wikibooks.org/w/index.php?title=Physics_Study_Guide&oldid=2516212