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A planet in a distant solar system is 10...

A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is 11 km `s^(-1)` , the escape velocity from the surface of the planet would be `x xx 11` km/s. Find x.

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The high pressure air in the cycle tube undergoes an adiabatic expansion, which produces cooling.
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