A body’s velocity decreases uniformly from at to at

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

A body’s velocity decreases uniformly from

30\,\text{m/s}

at

t=0

to

10\,\text{m/s}

at

t=5\,\text{s}

. What is the sign of its acceleration during this interval? (a) Zero (b) Negative (c) Positive (d) Cannot be determined

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