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05/01/2021 5:49 pm
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A motorboat starting from rest on a lake accelerates in a straight tine at a constant rate of 3.0 m s-2 for 8.0 s. How far does the boat travel during this time?
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05/01/2021 5:52 pm
u = 0, a = 3.0 ms-2, t = 8s
s = ut + 1/2at2 = 0 x t + 1/2(3) x (8)2
s = 1/2 x 3 x 64 = 96 m
∴ Boat travelled a distance of 96 m.