First slide

Gravitaional potential energy

Question

The escape velocity of 10 g body from the earth is 11.2 kms^-1. Ignoring air resistance, the escape velocity of 10 kg of the iron ball from the earth will be

Easy

A

0.0112 kms^-1
B

0.112 kms^-1
C

11.2 kms^-1
D

0.56 kms^-1

Solution

Escape velocity does not depend upon mass of object.

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