Questions
A particle starts from rest. a(m/s2) Its acceleration (a) versus time (r) is as shown in the Figure. The maximum speed of the particle will be:
detailed solution
Correct option is B
Maximum velocity will be at t = 11s because up to this time acceleration remained positive.Velocity = Area of a-t graph 12×10×11=55m/sTalk to our academic expert!
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A man moves from home to market which is at a distance of 2 km with a speed of 3 kmph. Finding the market closed he instantly returns home with a speed 6 kmph. The average velocity of the man in the total journey is
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