A car increases its speed from to in 8 s

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A car increases its speed from

10 \mathrm{~m} / \mathrm{s}

to

30 \mathrm{~m} / \mathrm{s}

in 8 s . Another car decreases its speed from

30 \mathrm{~m} / \mathrm{s}

to

10 \mathrm{~m} / \mathrm{s}

in the same duration and on the same line. Which car travels a larger distance in 8 s? Explain why.

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