# User:Guy vandegrift/Quizbank/Archive1/College Physics/I T3

## TrigPhys_I_T3sample

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### TrigPhys_I_T3sample-v1s1

1.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 32.7 degrees above the horizontal. An object of mass, M = 8.5kg is suspended at a length, L =5.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
___a) 1.82E+01 N
___b) 2.20E+01 N
___c) 2.67E+01 N
___d) 3.23E+01 N
___e) 3.91E+01 N

2.
A massless bar of length, S = 7.4m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 33.5 degrees above the horizontal. An object of mass, M = 5kg is suspended at a length, L = 5.4m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
___a) 3.04E+01 N
___b) 3.68E+01 N
___c) 4.46E+01 N
___d) 5.40E+01 N
___e) 6.54E+01 N

3.
Is ${\displaystyle d\ell =|{\vec {r}}_{2}-{\vec {r}}_{1}|}$ valid for uniform circular motion?

___ a) Yes
___ b) No

4. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

___ a) 1.022 m/s
___ b) 1.084 m/s
___ c) 1.149 m/s
___ d) 1.218 m/s
___ e) 1.291 m/s

5.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

6.
In the figure shown, L1 = 6.8m, L2 = 4.8m and L3 = 8.7m. What is F2 if F1 =0.89N and F3 =0.1N?
___a) 8.91E-01 N
___b) 1.08E+00 N
___c) 1.31E+00 N
___d) 1.58E+00 N
___e) 1.92E+00 N

7. The mass of the cart is 3.0kg, and the spring constant is 6073N/m. If the initial compression of the spring is 4.00m, how high does it reach before coming to rest?
___ a) 1.57E+03 m
___ b) 1.65E+03 m
___ c) 1.74E+03 m
___ d) 1.82E+03 m
___ e) 1.91E+03 m

8. On object of mass 2.7 kg that is moving at a velocity of 25m/s collides with a stationary object of mass 20.75 kg. What is the final velocity if they stick? (Assume no external friction.)

___a) 2m/s.
___b) 2.4m/s.
___c) 2.88m/s.
___d) 3.45m/s.
___e) 4.14m/s.

9. A car of mass 571 kg is driving on an icy road at a speed of 24 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.5 m/s. What was the mass of the truck?

___a) 1334 kg
___b) 1601 kg
___c) 1921 kg
___d) 2305 kg
___e) 2766 kg

10. The spring constant is 731N/m, and the initial compression is 0.25m. What is the mass if the cart reaches a height of 2.04m, before coming to rest?
___ a) 1.143 kg
___ b) 1.200 kg
___ c) 1.260 kg
___ d) 1.323 kg
___ e) 1.389 kg

#### Key to TrigPhys_I_T3sample-v1s1

1.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 32.7 degrees above the horizontal. An object of mass, M = 8.5kg is suspended at a length, L =5.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
-a) 1.82E+01 N
-b) 2.20E+01 N
+c) 2.67E+01 N
-d) 3.23E+01 N
-e) 3.91E+01 N

2.
A massless bar of length, S = 7.4m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 33.5 degrees above the horizontal. An object of mass, M = 5kg is suspended at a length, L = 5.4m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
-a) 3.04E+01 N
-b) 3.68E+01 N
-c) 4.46E+01 N
+d) 5.40E+01 N
-e) 6.54E+01 N

3.
Is ${\displaystyle d\ell =|{\vec {r}}_{2}-{\vec {r}}_{1}|}$ valid for uniform circular motion?

+ a) Yes
- b) No

4. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

- a) 1.022 m/s
- b) 1.084 m/s
- c) 1.149 m/s
- d) 1.218 m/s
+ e) 1.291 m/s

5.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

6.
In the figure shown, L1 = 6.8m, L2 = 4.8m and L3 = 8.7m. What is F2 if F1 =0.89N and F3 =0.1N?
-a) 8.91E-01 N
+b) 1.08E+00 N
-c) 1.31E+00 N
-d) 1.58E+00 N
-e) 1.92E+00 N

7. The mass of the cart is 3.0kg, and the spring constant is 6073N/m. If the initial compression of the spring is 4.00m, how high does it reach before coming to rest?
- a) 1.57E+03 m
+ b) 1.65E+03 m
- c) 1.74E+03 m
- d) 1.82E+03 m
- e) 1.91E+03 m

8. On object of mass 2.7 kg that is moving at a velocity of 25m/s collides with a stationary object of mass 20.75 kg. What is the final velocity if they stick? (Assume no external friction.)

-a) 2m/s.
-b) 2.4m/s.
+c) 2.88m/s.
-d) 3.45m/s.
-e) 4.14m/s.

9. A car of mass 571 kg is driving on an icy road at a speed of 24 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.5 m/s. What was the mass of the truck?

-a) 1334 kg
-b) 1601 kg
+c) 1921 kg
-d) 2305 kg
-e) 2766 kg

10. The spring constant is 731N/m, and the initial compression is 0.25m. What is the mass if the cart reaches a height of 2.04m, before coming to rest?
+ a) 1.143 kg
- b) 1.200 kg
- c) 1.260 kg
- d) 1.323 kg
- e) 1.389 kg

### TrigPhys_I_T3sample-v2s1

1.
In the figure shown, L1 = 5.5m, L2 = 3.5m and L3 = 8.3m. What is F2 if F1 =0.92N and F3 =0.1N?
___a) 8.23E-01 N
___b) 9.98E-01 N
___c) 1.21E+00 N
___d) 1.46E+00 N
___e) 1.77E+00 N

2. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

___ a) 1.218 m/s
___ b) 1.291 m/s
___ c) 1.368 m/s
___ d) 1.450 m/s
___ e) 1.537 m/s

3.
Is ${\displaystyle d\ell =|{\vec {r}}_{2}-{\vec {r}}_{1}|}$ valid for uniform circular motion?

___ a) Yes
___ b) No

4. The spring constant is 525N/m, and the initial compression is 0.19m. What is the mass if the cart reaches a height of 1.17m, before coming to rest?
___ a) 0.714 kg
___ b) 0.750 kg
___ c) 0.787 kg
___ d) 0.826 kg
___ e) 0.868 kg

5. The mass of the cart is 4.0kg, and the spring constant is 9395N/m. If the initial compression of the spring is 4.00m, how high does it reach before coming to rest?
___ a) 1.66E+03 m
___ b) 1.74E+03 m
___ c) 1.83E+03 m
___ d) 1.92E+03 m
___ e) 2.01E+03 m

6. A car of mass 806 kg is driving on an icy road at a speed of 24 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.5 m/s. What was the mass of the truck?

___a) 1883 kg
___b) 2259 kg
___c) 2711 kg
___d) 3253 kg
___e) 3904 kg

7.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 32.7 degrees above the horizontal. An object of mass, M = 8.5kg is suspended at a length, L =5.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
___a) 1.82E+01 N
___b) 2.20E+01 N
___c) 2.67E+01 N
___d) 3.23E+01 N
___e) 3.91E+01 N

8.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 25.6 degrees above the horizontal. An object of mass, M = 3.5kg is suspended at a length, L = 5.1m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
___a) 3.32E+01 N
___b) 4.02E+01 N
___c) 4.87E+01 N
___d) 5.90E+01 N
___e) 7.15E+01 N

9.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

10. On object of mass 2.9 kg that is moving at a velocity of 21m/s collides with a stationary object of mass 12.6 kg. What is the final velocity if they stick? (Assume no external friction.)

___a) 3.93m/s.
___b) 4.71m/s.
___c) 5.66m/s.
___d) 6.79m/s.
___e) 8.15m/s.

#### Key to TrigPhys_I_T3sample-v2s1

1.
In the figure shown, L1 = 5.5m, L2 = 3.5m and L3 = 8.3m. What is F2 if F1 =0.92N and F3 =0.1N?
-a) 8.23E-01 N
-b) 9.98E-01 N
+c) 1.21E+00 N
-d) 1.46E+00 N
-e) 1.77E+00 N

2. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

- a) 1.218 m/s
+ b) 1.291 m/s
- c) 1.368 m/s
- d) 1.450 m/s
- e) 1.537 m/s

3.
Is ${\displaystyle d\ell =|{\vec {r}}_{2}-{\vec {r}}_{1}|}$ valid for uniform circular motion?

+ a) Yes
- b) No

4. The spring constant is 525N/m, and the initial compression is 0.19m. What is the mass if the cart reaches a height of 1.17m, before coming to rest?
- a) 0.714 kg
- b) 0.750 kg
- c) 0.787 kg
+ d) 0.826 kg
- e) 0.868 kg

5. The mass of the cart is 4.0kg, and the spring constant is 9395N/m. If the initial compression of the spring is 4.00m, how high does it reach before coming to rest?
- a) 1.66E+03 m
- b) 1.74E+03 m
- c) 1.83E+03 m
+ d) 1.92E+03 m
- e) 2.01E+03 m

6. A car of mass 806 kg is driving on an icy road at a speed of 24 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.5 m/s. What was the mass of the truck?

-a) 1883 kg
-b) 2259 kg
+c) 2711 kg
-d) 3253 kg
-e) 3904 kg

7.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 32.7 degrees above the horizontal. An object of mass, M = 8.5kg is suspended at a length, L =5.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
-a) 1.82E+01 N
-b) 2.20E+01 N
+c) 2.67E+01 N
-d) 3.23E+01 N
-e) 3.91E+01 N

8.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 25.6 degrees above the horizontal. An object of mass, M = 3.5kg is suspended at a length, L = 5.1m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
-a) 3.32E+01 N
-b) 4.02E+01 N
+c) 4.87E+01 N
-d) 5.90E+01 N
-e) 7.15E+01 N

9.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

10. On object of mass 2.9 kg that is moving at a velocity of 21m/s collides with a stationary object of mass 12.6 kg. What is the final velocity if they stick? (Assume no external friction.)

+a) 3.93m/s.
-b) 4.71m/s.
-c) 5.66m/s.
-d) 6.79m/s.
-e) 8.15m/s.

### TrigPhys_I_T3sample-v1s2

1.
Is ${\displaystyle dv=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

2. The cart has a mass of 31.70kg. It is moving at a speed of 3.30m/s, when it is at a height of 3.61m. If the spring constant was 665N/m, what was the initial compression?
___ a) 1.72 m
___ b) 1.84 m
___ c) 1.97 m
___ d) 2.11 m
___ e) 2.26 m

3.
A massless bar of length, S = 7.6m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 36.8 degrees above the horizontal. An object of mass, M = 7.3kg is suspended at a length, L = 4.9m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
___a) 4.20E+01 N
___b) 5.09E+01 N
___c) 6.17E+01 N
___d) 7.47E+01 N
___e) 9.05E+01 N

4.
A massless bar of length, S = 7.8m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 31.4 degrees above the horizontal. An object of mass, M = 5.7kg is suspended at a length, L =6.4m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
___a) 6.83E+00 N
___b) 8.28E+00 N
___c) 1.00E+01 N
___d) 1.21E+01 N
___e) 1.47E+01 N

5.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

6. On object of mass 2.3 kg that is moving at a velocity of 16m/s collides with a stationary object of mass 9.6 kg. What is the final velocity if they stick? (Assume no external friction.)

___a) 1.49m/s.
___b) 1.79m/s.
___c) 2.15m/s.
___d) 2.58m/s.
___e) 3.09m/s.

7. A car of mass 856 kg is driving on an icy road at a speed of 19 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 4.7 m/s. What was the mass of the truck?

___a) 1507 kg
___b) 1809 kg
___c) 2170 kg
___d) 2604 kg
___e) 3125 kg

8. The mass of the cart is 3.0kg, and the spring constant is 7035N/m. If the initial compression of the spring is 2.00m, how high does it reach before coming to rest?
___ a) 4.56E+02 m
___ b) 4.79E+02 m
___ c) 5.03E+02 m
___ d) 5.28E+02 m
___ e) 5.54E+02 m

9. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

___ a) 1.218 m/s
___ b) 1.291 m/s
___ c) 1.368 m/s
___ d) 1.450 m/s
___ e) 1.537 m/s

10.
In the figure shown, L1 = 6m, L2 = 3.7m and L3 = 7.3m. What is F1 if F2 =8.7N and F3 =5.5N?
___a) 9.95E+00 N
___b) 1.21E+01 N
___c) 1.46E+01 N
___d) 1.77E+01 N
___e) 2.14E+01 N

#### Key to TrigPhys_I_T3sample-v1s2

1.
Is ${\displaystyle dv=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

2. The cart has a mass of 31.70kg. It is moving at a speed of 3.30m/s, when it is at a height of 3.61m. If the spring constant was 665N/m, what was the initial compression?
- a) 1.72 m
- b) 1.84 m
+ c) 1.97 m
- d) 2.11 m
- e) 2.26 m

3.
A massless bar of length, S = 7.6m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 36.8 degrees above the horizontal. An object of mass, M = 7.3kg is suspended at a length, L = 4.9m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
-a) 4.20E+01 N
-b) 5.09E+01 N
+c) 6.17E+01 N
-d) 7.47E+01 N
-e) 9.05E+01 N

4.
A massless bar of length, S = 7.8m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 31.4 degrees above the horizontal. An object of mass, M = 5.7kg is suspended at a length, L =6.4m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
-a) 6.83E+00 N
-b) 8.28E+00 N
+c) 1.00E+01 N
-d) 1.21E+01 N
-e) 1.47E+01 N

5.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

6. On object of mass 2.3 kg that is moving at a velocity of 16m/s collides with a stationary object of mass 9.6 kg. What is the final velocity if they stick? (Assume no external friction.)

-a) 1.49m/s.
-b) 1.79m/s.
-c) 2.15m/s.
-d) 2.58m/s.
+e) 3.09m/s.

7. A car of mass 856 kg is driving on an icy road at a speed of 19 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 4.7 m/s. What was the mass of the truck?

-a) 1507 kg
-b) 1809 kg
-c) 2170 kg
+d) 2604 kg
-e) 3125 kg

8. The mass of the cart is 3.0kg, and the spring constant is 7035N/m. If the initial compression of the spring is 2.00m, how high does it reach before coming to rest?
- a) 4.56E+02 m
+ b) 4.79E+02 m
- c) 5.03E+02 m
- d) 5.28E+02 m
- e) 5.54E+02 m

9. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

- a) 1.218 m/s
+ b) 1.291 m/s
- c) 1.368 m/s
- d) 1.450 m/s
- e) 1.537 m/s

10.
In the figure shown, L1 = 6m, L2 = 3.7m and L3 = 7.3m. What is F1 if F2 =8.7N and F3 =5.5N?
-a) 9.95E+00 N
+b) 1.21E+01 N
-c) 1.46E+01 N
-d) 1.77E+01 N
-e) 2.14E+01 N

### TrigPhys_I_T3sample-v2s2

1. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

___ a) 1.022 m/s
___ b) 1.084 m/s
___ c) 1.149 m/s
___ d) 1.218 m/s
___ e) 1.291 m/s

2.
In the figure shown, L1 = 6.7m, L2 = 3.7m and L3 = 7.9m. What is F1 if F2 =7.2N and F3 =5.4N?
___a) 1.03E+01 N
___b) 1.25E+01 N
___c) 1.52E+01 N
___d) 1.84E+01 N
___e) 2.23E+01 N

3.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

4.
A massless bar of length, S = 8.4m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 31.1 degrees above the horizontal. An object of mass, M = 8.4kg is suspended at a length, L =6.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
___a) 1.54E+01 N
___b) 1.86E+01 N
___c) 2.25E+01 N
___d) 2.73E+01 N
___e) 3.31E+01 N

5. The cart has a mass of 36.60kg. It is moving at a speed of 2.60m/s, when it is at a height of 3.45m. If the spring constant was 616N/m, what was the initial compression?
___ a) 1.72 m
___ b) 1.84 m
___ c) 1.96 m
___ d) 2.10 m
___ e) 2.25 m

6.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 25.6 degrees above the horizontal. An object of mass, M = 3.5kg is suspended at a length, L = 5.1m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
___a) 3.32E+01 N
___b) 4.02E+01 N
___c) 4.87E+01 N
___d) 5.90E+01 N
___e) 7.15E+01 N

7.
Is ${\displaystyle dv=adt}$ valid for uniform circular motion?

___ a) Yes
___ b) No

8. On object of mass 2.7 kg that is moving at a velocity of 25m/s collides with a stationary object of mass 20.75 kg. What is the final velocity if they stick? (Assume no external friction.)

___a) 2m/s.
___b) 2.4m/s.
___c) 2.88m/s.
___d) 3.45m/s.
___e) 4.14m/s.

9. The mass of the cart is 2.0kg, and the spring constant is 8128N/m. If the initial compression of the spring is 5.00m, how high does it reach before coming to rest?
___ a) 4.26E+03 m
___ b) 4.48E+03 m
___ c) 4.70E+03 m
___ d) 4.94E+03 m
___ e) 5.18E+03 m

10. A car of mass 863 kg is driving on an icy road at a speed of 25 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.7 m/s. What was the mass of the truck?

___a) 2435 kg
___b) 2922 kg
___c) 3507 kg
___d) 4208 kg
___e) 5049 kg

#### Key to TrigPhys_I_T3sample-v2s2

1. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

- a) 1.022 m/s
- b) 1.084 m/s
- c) 1.149 m/s
- d) 1.218 m/s
+ e) 1.291 m/s

2.
In the figure shown, L1 = 6.7m, L2 = 3.7m and L3 = 7.9m. What is F1 if F2 =7.2N and F3 =5.4N?
+a) 1.03E+01 N
-b) 1.25E+01 N
-c) 1.52E+01 N
-d) 1.84E+01 N
-e) 2.23E+01 N

3.
Is ${\displaystyle |d{\vec {v}}|=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

4.
A massless bar of length, S = 8.4m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 31.1 degrees above the horizontal. An object of mass, M = 8.4kg is suspended at a length, L =6.1m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
-a) 1.54E+01 N
-b) 1.86E+01 N
+c) 2.25E+01 N
-d) 2.73E+01 N
-e) 3.31E+01 N

5. The cart has a mass of 36.60kg. It is moving at a speed of 2.60m/s, when it is at a height of 3.45m. If the spring constant was 616N/m, what was the initial compression?
- a) 1.72 m
- b) 1.84 m
- c) 1.96 m
+ d) 2.10 m
- e) 2.25 m

6.
A massless bar of length, S = 7.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 25.6 degrees above the horizontal. An object of mass, M = 3.5kg is suspended at a length, L = 5.1m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
-a) 3.32E+01 N
-b) 4.02E+01 N
+c) 4.87E+01 N
-d) 5.90E+01 N
-e) 7.15E+01 N

7.
Is ${\displaystyle dv=adt}$ valid for uniform circular motion?

+ a) Yes
- b) No

8. On object of mass 2.7 kg that is moving at a velocity of 25m/s collides with a stationary object of mass 20.75 kg. What is the final velocity if they stick? (Assume no external friction.)

-a) 2m/s.
-b) 2.4m/s.
+c) 2.88m/s.
-d) 3.45m/s.
-e) 4.14m/s.

9. The mass of the cart is 2.0kg, and the spring constant is 8128N/m. If the initial compression of the spring is 5.00m, how high does it reach before coming to rest?
- a) 4.26E+03 m
- b) 4.48E+03 m
- c) 4.70E+03 m
- d) 4.94E+03 m
+ e) 5.18E+03 m

10. A car of mass 863 kg is driving on an icy road at a speed of 25 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 5.7 m/s. What was the mass of the truck?

-a) 2435 kg
+b) 2922 kg
-c) 3507 kg
-d) 4208 kg
-e) 5049 kg

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
https://en.wikiversity.org/w/index.php?title=Physics_equations/06-Uniform_Circular_Motion_and_Gravitation/Q:derive&oldid=1411691
https://en.wikiversity.org/w/index.php?title=Physics_equations/07-Work_and_Energy/Q:cart2&oldid=1380821
https://en.wikiversity.org/w/index.php?title=Physics_equations/07-Work_and_Energy/Q:cart1&oldid=1380215
Study guide
http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
Physics_equations#Uniform_Circular_Motion_and_Gravitation
https://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters