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Edexcel A-Level Physics Momentum

Practise Edexcel A-Level Physics momentum through p=mv calculations, kg m s⁻¹ and N s units, light-gate speed data and changing-momentum contexts.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
AS

Exam points

  • calculate momentum from mass and velocity using p=mv in kg m s⁻¹ or N s
  • combine light-gate speed data with mass to show or determine momentum values
  • reason about changes in momentum for falling objects, propellers or collision contexts

1.3.13 - Momentum question 1

[Maximum number: 1]

Two objects, R and S, are falling vertically and accelerating due to gravity. Air resistance is negligible.

R has mass m and S has mass 2m. Initially, each object has momentum p.

After time t object R has momentum 2p.

Which of the following gives the momentum of object S after time t?

A

2p

B

3p

C

4p

D

5p

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