A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 5 m/s2 for 10 secs. How far does the boat travel during this time?
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A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 5 m/s2 for 10 secs. How far does the boat travel during this time?
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ANSWER:
Initial velocity, u = 0
a = 5 m/s2
t= 10 secs
s= ut + 1/2 at^2
s= 0× 10 + 1/2 × 5 (10)^2
s= 0 + 1/2× 5 × 100
s= 500/2
s= 250 m