2023
Physics
POST UTME
A car moving with a speed of ' was brought uniformly to rest by the application of the brakes in 10s. How far did the car travel after the brakes were applied?
A.
125m
B.
150m
C.
250m
D.
15km
Correct Answer: 150m
Explanation
90km
let's change to
(brought to rest)
to find we use
since
and make the subject of the formula
to get the distance we use
since v = 0
we have
s = = 125m
90km
let's change to
(brought to rest)
to find we use
since
and make the subject of the formula
to get the distance we use
since v = 0
we have
s = = 125m
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