A racing car accelerates from rest at until it has travelled a distance of 50 m

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A racing car accelerates from rest at 4 ms−24 \text{ ms}^{-2} until it has travelled a distance of 50 m. The final speed of the car is: (1) 10 ms−110 \text{ ms}^{-1} (2) 12.5 ms−112.5 \text{ ms}^{-1} (3) 20 ms−120 \text{ ms}^{-1} (4) 25 ms−125 \text{ ms}^{-1}

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