6. 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 F(t) (a) 4.50 J 4N (b) 7.50 J 3s 4.5 s (c) 5.06 J (d) 14.06 J
6. 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 F(t) (a) 4.50 J 4N (b) 7.50 J 3s 4.5 s (c) 5.06 J (d) 14.06 J
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Transcribed Image Text:6. 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
F(t)
(a) 4.50 J
A
4.5 s
3 s
4N
(b) 7.50 J
(c) 5.06 J
(d) 14.06 J
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