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How much energy will be necessary for ma...

How much energy will be necessary for making a body of 500 kg escape from the earth
`[g=9.8 ms^(2)," radius of earth "=6.4xx10^(6)m]`

A

`9.8xx10^(6)J`

B

`6.4xx10^(10^(8)J`

C

`3.1xx10^(10)J`

D

`27,4xx10^(12)J`

Text Solution

Verified by Experts

The correct Answer is:
c
`(1)/(2)mv_(e)^(2)=(1)/(2)500xx(11.1xx10^(3))^(2)`
`=3.1xx10^(10)J`
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