1.

A stone falls freely under gravity. It covers distances h_1, h_2, and h_2, in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between h_1, h_2 and h_2 is

Answer»

`h_2=3h_(1) and h_3=3h_2`
`h_1=h_2=h_3`
`h_1=2h_2=3h_3`
`h_1=h_2/3=h_3/5`

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