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Work, Energy and Power — quick quiz

3 NSTSE-pattern questions on Work, Energy and Power. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Medium

A cyclist applies brakes uniformly and comes to rest after covering 40 m. If the initial velocity was 20 m/s, what is the work done by the braking force if the mass of the cyclist and bicycle together is 60 kg?