$A$ spherical body of mass $100 \,g$ is dropped from a height of $10 \,m$ from the ground. After hitting the ground, the body rebounds to a height of $5 \,m$. The impulse of force imparted by the ground to the body is given by: (given $g = 9.8 \,m/s^2$)
- A$4.32 \,kg \,m/s$
- B$43.2 \,kg \,m/s$
- C$23.9 \,kg \,m/s$
- D$2.39 \,kg \,m/s$
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