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AMOTOR BOAT STARTING FROM REST ON A LAKE ACCELERATES IN A STRAIGHT LINE AT A CONSTANT RATE OF 30M/S^2 FOR 8SEC .HOW FAR DOES THE BOAT TRAVELS DURING THIS TIME? |
u=0. a=30m/s^2. t=8s. distance travelled, S=ut+(1/2)at^2 =1/2 at^2 =(1/2)*30*8*8 =960m. |