A rigid of mass 2 kg is dropped from a stationary balloon kept at the height of 50 m from the ground. The speed of the body when it just touches the ground and the body when it just touches the ground and the total energy when it is dropped from the ballo

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Q: (NDA-II/2019)
A rigid of mass 2 kg is dropped from a stationary balloon kept at the height of 50 m from the ground. The speed of the body when it just touches the ground and the body when it just touches the ground and the total energy when it is dropped from the balloon are respectively. (acceleration due to gravity = 9.8 m/s 2)
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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,1,3,2,1,0,1

keywords: 

{'stationary balloon': [0, 0, 0, 1], 'balloon': [0, 0, 0, 2], 'gravity': [0, 0, 0, 6], 'acceleration': [0, 0, 2, 8], 'mass': [0, 0, 2, 3], 'ground': [2, 1, 4, 17], 'total energy': [0, 0, 1, 4], 'speed': [0, 1, 2, 0], 'kg': [0, 1, 9, 24], 'height': [0, 0, 1, 2], 'body': [27, 3, 23, 37]}