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Date May 2015 Marks available 1 Reference code 15M.1.HL.TZ2.4
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 4 Adapted from N/A

Question

A girl is standing on a moving skateboard. She pushes backwards on the ground at intervals as shown on the graph.

How much kinetic energy is gained by the girl during the period represented on the graph? Frictional forces are negligible.

A. 200 J

B. 400 J

C. 600 J

D. 1200 J

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Mechanics » 2.3 – Work, energy, and power
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