1.

A child is sitting on a swing. Its minimum and maximum heights from the ground 0.75 m and 2 m respectively, its maximum sped will be

Answer»

`10ms^(-1)`
`5 ms^(-1)`
`8 m//s`
`15 ms^(-1)`

Solution :MAXIMUM K.E = Drop in P.E.
`1/2 m V_("max")^(2)=mg(h_(2)-h_(1))impliesV_("max")=5MS^(-1)`


Discussion

No Comment Found

Related InterviewSolutions