Question:

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 5m. The impulse of force imparted by the ground to the body is given by : 

(1) 4.32 kg ms^–1

(2) 43.2 kg ms^–1

(3) 23.9 kg ms^–1 

(4) 2.39 kg ms^–1

                                         JEE-2024

Solution:                
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 5m. The impulse of force imparted by the ground to the body is given by : (1) 4.32 kg ms^–1 (2) 43.2 kg ms^–1 (3) 23.9 kg ms^–1 (4) 2.39 kg ms^–1 JEE-2024

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