IIT JEE Advanced 2010 Paper 2

Section: Physics
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Question : 1 of 57
 
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A block of mass 2 kg is free to move along the x-axis. It is at rest and from t = 0 onwards, it is subjected to a time-dependent force F(t) in the x- direction. The force F(t) varies with t as shown in the figure. The kinetic energy of the block after 4.5 s is
[JEE Adv 2010 P2]
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