4.The Escape velocity from the Earth for a body of mass 100g is 11.21 km/s .What will be its value for a body of 20g ? Justify.
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Answer:
11.2 km/s
Explanation:
Escape velocity is independent of the mass of the projected body provided the air resistance is neglected. Hence, the escape velocity of 10kg10kg of the iron ball projected from the earth is same that of escape velocity of 10g10g projected from the earth i.e., 11.2kms−1
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Answered by
1
Answer:
Escape velocity is independent of the mass of the projected body provided the air resistance is neglected. Hence, the escape velocity of 10kg10kg of the iron ball projected from the earth is same that of escape velocity of 10g10g projected from the earth i.e., 11.2kms−1
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