Physics Assignment | Professional Writing Services
February 20th, 2020
Previous Years Questions A block of mass 1 kg is free to move along the x-axis. It is at rest and from time 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 figure. The kinetic energy of the block at t=4 s is 33. 2×42. -2N A) 1 J B) 2 J C) 3 J D)0J E)4J
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