plumiImpulse and change of momentum (core practical 9): Edexcel International A Level Physics questions
Edexcel International A Level Physics past-paper questions on 4.3.1.1 Impulse and change of momentum (core practical 9), 2019–2025, with mark schemes and examiner’s reports where available.
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Q19(a)
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All 16 questions on Impulse and change of momentum (core practical 9), as a list
- January 2025, Unit 4, Q19(a) (3 marks): There is a thick rubber strip around the base of each car. Two cars collide and come to rest. Explain why the rubber strip reduces the likelihood of injury to t
- October 2024, Unit 4, Q17(a)(ii) (2 marks): Determine the momentum of the air pushed backwards by the propeller in a time of 0.20 s. (2) Momentum =
- October 2024, Unit 4, Q17(a)(iii) (2 marks): Determine the forwards force exerted on the aeroplane by the action of the propeller. (2) Force =
- June 2024, Unit 4, Q8 (1 mark): A ball collides with a wall and moves off in the opposite direction. The wall exerts a force on the ball during the collision. The force-time graph for the coll
- January 2024, Unit 4, Q9 (1 mark): A helium atom of mass m and velocity v collides at right angles with a surface, as shown. He v surface The atom bounces off the surface with the same speed but
- October 2023, Unit 4, Q2 (1 mark): A car travels along a straight horizontal road. A drag force of 150 N acts for 15 s causing the speed of the car to decrease. Which of the following is the chan
- June 2023, Unit 4, Q4 (1 mark): Which of the following gives the base units of impulse? A kg m s –1 B kg m s –2 C N m D N s
- June 2023, Unit 4, Q18(b)(iii) (4 marks): The student stated that the average force acting on sphere B cannot be more than the weight of sphere A. Deduce whether this statement is correct. mass of each
- January 2023, Unit 4, Q9 (1 mark): A ball travelling at speed u towards a wall collides with the wall at right angles. The ball bounces off the wall at speed v in the opposite direction. The time
- June 2022, Unit 4, Q11 (3 marks): A flyboard enables a person to hover at a constant height above the sea as shown. Water is constantly pumped up to the flyboard in a thick pipe. A jet of water
- January 2022, Unit 4, Q12 (4 marks): A helicopter can hover in a fixed position as shown. helicopter blades (Source: Ascent Xmedia/Getty Images) The helicopter blades move air vertically downwards.
- October 2021, Unit 4, Q15(a)(i) (2 marks): Show that the velocity of the carriage is about 40 m s–1 as it leaves the horizontal track. total mass of carriage and people = 7500 kg (2)
- June 2021, Unit 4, Q15(e) (2 marks): Another method would involve attaching a rocket motor to the asteroid and using the motor to apply a force to the asteroid. In this method the force is applied
- January 2021, Unit 4, Q17(a) (3 marks): In one experiment, the first puck reached a speed of 0.35 m s−1 after being pushed for a time of 0.28 s. Calculate, using the idea of impulse, the average force
- October 2020, Unit 4, Q5 (1 mark): A gas molecule of mass m travelling at speed v strikes the side of a gas cylinder at an angle θ. The collision takes time t. v θ v θ What is the average force a
- January 2020, Unit 4, Q3 (1 mark): A ball of mass m travelling with velocity v strikes a wall at right angles. It bounces off the wall in the opposite direction at the same speed. Which of the fo
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