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प्रश्न
What is escape velocity?
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उत्तर
The minimum velocity required to project an object to escape from the Earth's gravitational pull is known as escape velocity. It is given as: vesc = `sqrt((2"GM")/"R")`
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संबंधित प्रश्न
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A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate
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Fill in the following blank with suitable word :
The acceleration due to gravity on the moon is about ………………of that on the earth.
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where the symbols have their usual meanings.
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Write scientific reasons.
When we drop a feather and a stone at the same time from a height the stone reach the earth faster than a feather.
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Distinguish between:
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Write a short note.
Free Fall
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