# Physics equations/02-One dimensional kinematics/Q:definitions/more versions

1

A car traveling at 33.5 miles/hour stops in 7.9 seconds. What is the average acceleration?

 a) 3.37 x 10-1 m/s2 b) 5.99 x 10-1 m/s2 c) 1.07 x 100 m/s2 d) 1.9 x 100 m/s2 e) 3.37 x 100 m/s2

2

A car completes a complete circle of radius 2.9 miles at a speed of 42.2 miles per hour. How many minutes does it take?

 a) 2.59 x 101 minutes b) 3.45 x 101 minutes c) 4.61 x 101 minutes d) 6.14 x 101 minutes e) 8.19 x 101 minutes

3

A car traveling at 33.8 mph increases its speed to 38.3 mph in 6.7seconds. What is the average acceleration?

 a) 9.49 x 10-2 m/s2 b) 1.69 x 10-1 m/s2 c) 3 x 10-1 m/s2 d) 5.34 x 10-1 m/s2 e) 9.49 x 10-1 m/s2

4

Mr. Smith is backing his car at a speed of 2.42 mph when he hits a cornfield (seed corn). In the course of 2.35 seconds he stops, puts his car in forward drive, and exits the field at a speed of 6.1 mph. What was the magnitude ( absolute value) of his acceleration?

 a) 2.29 x 100 miles per hour per second b) 2.88 x 100 miles per hour per second c) 3.63 x 100 miles per hour per second d) 4.56 x 100 miles per hour per second e) 5.75 x 100 miles per hour per second

5

A car traveling at 75.4 miles/hour stops in 1.9 seconds. What is the average acceleration?

 a) 1.77 x 101 m/s2 b) 3.15 x 101 m/s2 c) 5.61 x 101 m/s2 d) 9.98 x 101 m/s2 e) 1.77 x 102 m/s2

6

A car completes a complete circle of radius 3 miles at a speed of 62.1 miles per hour. How many minutes does it take?

 a) 1.37 x 101 minutes b) 1.82 x 101 minutes c) 2.43 x 101 minutes d) 3.24 x 101 minutes e) 4.32 x 101 minutes

7

A car traveling at 34.7 mph increases its speed to 37.7 mph in 1.2seconds. What is the average acceleration?

 a) 1.99 x 10-1 m/s2 b) 3.53 x 10-1 m/s2 c) 6.28 x 10-1 m/s2 d) 1.12 x 100 m/s2 e) 1.99 x 100 m/s2

8

Mr. Smith is backing his car at a speed of 3.06 mph when he hits a cornfield (seed corn). In the course of 1.29 seconds he stops, puts his car in forward drive, and exits the field at a speed of 5.6 mph. What was the magnitude ( absolute value) of his acceleration?

 a) 3.36 x 100 miles per hour per second b) 4.24 x 100 miles per hour per second c) 5.33 x 100 miles per hour per second d) 6.71 x 100 miles per hour per second e) 8.45 x 100 miles per hour per second