Question on: SS1 Physics - Motion 2
A car starts from rest and accelerates uniformly at a rate of 2 m/s2. How far will the car travel in 15 seconds?
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Using the equation s = ut + 1/2at2, where u is the initial velocity (0 m/s), a is the acceleration (2 m/s2), and t is the time (15 seconds):
s = 0 + 1/2 X 2 m/s2 X (15 s)2
s = 0 + 1/2 X 2 m/s2 X 225 s2
s = 0 + 225 m
s = 225 metres
Therefore, the car will travel 225 metres in 15 seconds.
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