Define velocity. A car moving with velocity of 15m/s comes to rest after 6 second.
Calculate it's retardation.
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Answer:
velocity is the speed of some matter towrds given direction
Explanation:
In this case, we know u = 15m/s, v = 0, t = 5s and we want to find a, so we use equation (3)
v = u + at
0 = 15 + 5a
a = -15/5 = -3
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