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Periodic motion (A-level only)

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Question 4

A particle of mass mmm moves in a circle of radius rrr. The time taken to complete one full revolution is TTT. What is the kinetic energy of the particle?

A

π2mr22T2\frac{\pi^2 m r^2}{2T^2}2T2π2mr2​

B

2π2mr2T2\frac{2\pi^2 m r^2}{T^2}T22π2mr2​

C

4π2mr2T2\frac{4\pi^2 m r^2}{T^2}T24π2mr2​

D

2π2m2r2T2\frac{2\pi^2 m^2 r^2}{T^2}T22π2m2r2​

Markscheme

Periodic motion (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Periodic motion (A-level only)

45 exam-style questions on AQA A Level Physics Periodic motion (A-level only), covering Circular motion (A-level only), Simple harmonic motion (SHM) (A-level only), Simple harmonic systems (A-level only), and Forced vibrations and resonance (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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