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

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

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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