A cyclist accelerates uniformly from 4 m/s to 16 m/s in 6 s. What is the acceleration?

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Question

A cyclist accelerates uniformly from 4 m/s to 16 m/s in 6 s. What is the acceleration?

Accepted Answer

C. 2 m/s² — Acceleration = (v − u) ÷ t = (16 − 4) ÷ 6 = 12 ÷ 6 = 2 m/s². Option A divides only the final velocity by time, option B divides the total of both velocities by time, and option D halves the change in velocity without dividing by time.

Answer

B. 2.7 m/s²

Answer

D. 4 m/s²

Answer

A. 1.5 m/s²

Answer

C. 2 m/s²

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