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Question:

A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 ms^{–2} for 8.0 s. How far does the boat travel during this time?

Answer:

Initial velocity, u = 0 m/s (since the motorboat is initially at rest)

Acceleration of the motorboat, a = 3 m/s^{2}

Time taken, t = 8 s

According to the second equation of motion:

Distance covered by the motorboat, S

Hence, the boat travels a distance of 96 m.

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