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A-LevelPhysicsDynamics9702/12 · Feb/Mar 2018 · Q101 Mark

Steel pellets, each with a mass of 0.60 g, fall vertically onto a horizontal plate at a rate of 100 pellets per minute. They strike the plate with a velocity of 5.0 ms⁻¹ and rebound with a velocity of 4.0 ms⁻¹. What is the average force exerted on the plate by the pellets?

A0.0010 N

B0.0054 N

C0.0090 N

D0.54 N

✓ Correct answer

C: 0.0090 N

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About this question

Topic: Dynamics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2018 Paper 1 Variant 2, question 10.

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