A motor boat, starting from rest, on a lake accelerates in a straight line at a constant rate of 3
metre per second square for 6 seconds. How far does the boat travel during this time?
108 m
27 m
54m
36 m
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Answer:
nitial velocity of motorboat, u = 0
Acceleration of motorboat, a=3.0ms-2
Time under consideration, or time taken t = 8.0s
Formula
We know the equation of motion
Distance, s=ut + (1/2)at2 —————-(i)
Substituting the given and known values in equation (i) we get,
s= o (8) + 1/2 (3) (8)2
= 1/2 (3) (64) { 82 = 8 X 8=64}
= 3 (32)
= 96
Therefore, The distance travel by motorboat = 96 m
Explanation:
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