1.

A particle starts from rest. Its acceleration(D)450 m/s(a) versus time (t) is as shown in the figure.The maximum speed of the particle will be:(A) 110 m/s(C) 550 m/s10ms(B) 55 m/s(D) 660 m/st(s)

Answer»

The maximum speed of the particle corresponds to the area of the a→t graph.

Maximum speed = Area of the graph

= 1/2 ×10 × 11

= 55 m/s



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