1.

In the previous questions, if the mass of the body is half the mass of the earth, and all other data remain the same, then `t` is equal toA. `sqrt(2H//g)`B. `sqrt(H//g)`C. `sqrt(2H//3g)`D. `sqrt(4H//3g)`

Answer» Correct Answer - D
`m/2x_(1)=mx_(2)implies x_(2)=x_(1)//2`
`x_(1)+x_(2)=H implies x_(1)+(x_(2))/2=Himplies x_(1)=(2H)/3`
`x_(1)=(2H)/3=1/2"gt"^(2)implies t=sqrt((4H)/(3g))`


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