1.

An artificial satellite of mass 500 kg revolve around the earth, its angular momentum 4xx10^(7)Js. What will its Ariel velocity?

Answer»

`2XX10^(4)m^(2)s^(-1)`
`2xx10^(7)m^(2)s^(-1)`
`0`
`4xx10^(4)m^(2)s^(-1)`

Solution :`(DA)/(dt)=(L)/(2m)=(4xx10^(7))/(2xx500)=4xx10^(4)m^(2)s^(-1)`


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