1.

A stone projected vertically up from the ground reaches a height y in its path at t_(1) seconds and after further t_(2) seconds reaches the ground. The height y is equal to

Answer»

`(1)/(2)G(t_(1)+t_(2))`
`(1)/(2)g(t_(1)+t_(2))^(2)`
`(1)/(2)g t_(1)t_(2)`
`g t_(1)t_(2)`

ANSWER :C


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