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The escape velocity on Earth is 11.2 km/s.The escape velocity on a planet having mass twice that of the earth and radius half that of the earth will be- a. 22.4 km/s b. 11.2 km/s c. 33.6 km/s d. None of
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The escape velocity on Earth is 11.2 km/s.The escape velocity on a planet having mass twice that of the earth and radius half that of the earth will be- a. 22.4 km/s b. 11.2 km/s c. 33.6 km/s d. None of the above​

The escape velocity on Earth is 11.2 km/s.The escape velocity on a planet having mass-example-1
User Dave Snigier
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When the mass increases by a factor of 2 and radius becomes half the ratio of M/R becomes 4 times… now take the square root and then you get the new escape velocity to be twice the previous value
The escape velocity on Earth is 11.2 km/s.The escape velocity on a planet having mass-example-1
User Labarna
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