# Physics equations/02-One dimensional kinematics/Q:equations

All quiz questions are identical except for the order of the questions and answers.

## A

1 A car is accelerating uniformly at an acceleration of 4.25m/s/s. At x = 7.25m, the speed is 3.7m/s. How fast is it moving at x = 12.25 m?

 a) 7.5 m/s. b) 9 m/s. c) 10.79 m/s. d) 12.95 m/s. e) 15.54 m/s.

2 What is the acceleration if a car travelling at 10.8 m/s makes a skid mark that is 6.5 m long before coming to rest? (Assume uniform acceleration.)

 a) 5.19m/s2. b) 6.23m/s2. c) 7.48m/s2. d) 8.97m/s2. e) 10.77m/s2.

3 A train accelerates uniformly from 16 m/s to 33 m/s, while travelling a distance of 485 m. What is the 'average' acceleration?

 a) 0.86m/s/s. b) 1.03m/s/s. c) 1.24m/s/s. d) 1.48m/s/s. e) 1.78m/s/s.

4 A particle accelerates uniformly at 11.25 m/s/s. How long does it take for the velocity to increase from 932 m/s to 1815 m/s?

 a) 45.42 s b) 54.51 s c) 65.41 s d) 78.49 s e) 94.19 s

## B

1 A car is accelerating uniformly at an acceleration of 3.75m/s/s. At x = 5.25m, the speed is 3.55m/s. How fast is it moving at x = 11.5 m?

 a) 3.72 m/s. b) 4.46 m/s. c) 5.36 m/s. d) 6.43 m/s. e) 7.71 m/s.

2 What is the acceleration if a car travelling at 9.95 m/s makes a skid mark that is 7.5 m long before coming to rest? (Assume uniform acceleration.)

 a) 5.5m/s2. b) 6.6m/s2. c) 7.92m/s2. d) 9.5m/s2. e) 11.41m/s2.

3 A train accelerates uniformly from 14.25 m/s to 29.625 m/s, while travelling a distance of 490 m. What is the 'average' acceleration?

 a) 0.48m/s/s. b) 0.57m/s/s. c) 0.69m/s/s. d) 0.83m/s/s. e) 0.99m/s/s.

4 A particle accelerates uniformly at 16.75 m/s/s. How long does it take for the velocity to increase from 957 m/s to 1935 m/s?

 a) 33.79 s b) 40.55 s c) 48.66 s d) 58.39 s e) 70.07 s