Momentum · CSEC Physics

15 past-paper questions on Momentum, part of Mechanics, from every CSEC Physics paper on Quelpr.

1. 1(d)(iii)3 marks· Physics Q1 1(d)(iii)If the total mass of the loaded taxi was 1 500 kg, determine the momentum of the vehicle when it is travelling at constant velocity.
2. 2(a)(ii)4 marks· Physics Q2 2(a)(ii)State the 'law of conservation of linear momentum'.
3. 2(b)(i)4 marks· Physics Q2 2(b)(i)Explain this crash in terms of conservation of linear momentum.
4. 2(b)(ii)4 marks· Physics Q2 2(b)(ii)Calculate the velocity of the bullet just before it hit the stationary target.
5. 2(b)(iii)2 marks· Physics Q2 2(b)(iii)Calculate the ball's momentum when it hits the ground. [Acceleration due to gravity, g, = 9.8 m s⁻²]
6. 2(c)(i)2 marks· Physics Q2 2(c)(i)Define the term 'linear momentum'.
7. 2(c)(ii)4 marks· Physics Q2 2(c)(ii)Determine the final velocity of the balls.
8. 4(a)(i)3 marks· Physics Q4 4(a)(i)State the law of conservation of linear momentum.
9. 4(a)(ii)3 marks· Physics Q4 4(a)(ii)Describe a situation that demonstrates the law of conservation of linear momentum.
10. 4(b)(i)3 marks· Physics Q4 4(b)(i)Calculate the initial momentum of a 70 kg test dummy in the car before the crash.
11. 4(b)(i)9 marks· Physics Q4 4(b)(i)What was the initial momentum of the truck?
12. 4(b)(ii)3 marks· Physics Q4 4(b)(ii)Calculate the average force exerted on the dummy by the seatbelt during the crash if the duration of the collision is 0.1 seconds.
13. 4(b)(ii)9 marks· Physics Q4 4(b)(ii)What was the initial momentum of the car?
14. 4(b)(iii)3 marks· Physics Q4 4(b)(iii)With the removal of all protective features, the dummy was subjected to another crash test with the same initial speed. This time it was subjected to a 'lethal' decelerating force of 45 000 N. Calculate the duration of…
15. 4(b)(iii)9 marks· Physics Q4 4(b)(iii)Assuming the car and truck move as one following the collision, what is the speed and direction of the wreck right after the collision?