How long will it take to stop a car travelling at a speed of 60 m/s, if the uniform acceleration during braking is – 12 m/s2.
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Answer:
u = 60 m/s
v = 0 m/s
a = -12 m/s²
a = v-u/t
t = v-u/a
t = 0-60/12
t = -60/-12
t = 5 seconds.
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