A particle of mass m, initially at rest is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle –
A
u = 
B
u = 
C
u = 
D
u = 
Text Solution
Verified by ExpertsThe correct answer is:
C
Area under the 
curve = Impulse
= mu – 0 
u = 
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