JEE AdvancedPhysicsWork Power and EnergyMCQ+3 / −1
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 

- A4.50 J
- B7.50 J
- C5.06 J
- D14.06 J
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