The escape velocity from the earth for a rocket is 11.2 km/sec. Ignoring the air resistance, the escape velocity of 10 mg grain of sand from the earth will be

0.112 km/sec

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11.2 km/sec

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1.12 km/sec

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None

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Solution

The correct option is C 11.2 km/sec
Escape velocity on a planet depends on the mass and radius of the planet alone. Hence, both for the rocket and the sand grain, escape velocity is 11.2 km/sec.

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The escape velocity from the earth for a rocket is 11.2 km/sec. Ignoring the air resistance, the escape velocity of 10 mg grain of sand from the earth will be

The correct option is C 11.2 km/secEscape velocity on a planet depends on the mass and radius of the planet alone. Hence, both for the rocket and the sand grain, escape velocity is 11.2 km/sec.

The correct option is C 11.2 km/sec
Escape velocity on a planet depends on the mass and radius of the planet alone. Hence, both for the rocket and the sand grain, escape velocity is 11.2 km/sec.