Four students draw different speed–time graphs for a ball they believe is moving in…

PHYSICS · Single correct · GCSE · Physics · Forces · Forces

Problem

Four students draw different speed–time graphs for a ball they believe is moving in uniform circular motion. Which graph could be correct? (a) A sine wave oscillating between 3 m/s3\,\text{m/s} and 7 m/s7\,\text{m/s} (b) A horizontal line at 0 m/s0\,\text{m/s} for the entire time (c) A horizontal line at 5 m/s5\,\text{m/s} starting from t=0t=0 (d) A straight line rising from 0 m/s0\,\text{m/s} to 5 m/s5\,\text{m/s} in 5 s5\,\text{s}

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