A body is projected vertically upwards. The times corresponding to height h, while ascending and while descending are t1 and t2 respectively. Then the velocity of projection is (g is the acceleration due to gravity)

\(\frac{{g{t_1}{t_2}}}{{{t_1} + {t_2}}}\)

\(\frac{{g\sqrt {{t_1}{t_2}} }}{2}\)

\(\frac{{g\left( {{t_1} + {t_2}} \right)}}{2}\)

A body is projected vertically upwards. The times corresponding to hei

1.	A body is projected vertically upwards. The times corresponding to height h, while ascending and while descending are t1 and t2 respectively. Then the velocity of projection is (g is the acceleration due to gravity)
A.	\(g\sqrt {{t_1}{t_2}} \)
B.	\(\frac{{g{t_1}{t_2}}}{{{t_1} + {t_2}}}\)
C.	\(\frac{{g\sqrt {{t_1}{t_2}} }}{2}\)
D.	\(\frac{{g\left( {{t_1} + {t_2}} \right)}}{2}\)
Answer» E.

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A body is projected vertically upwards. The times corresponding to height h, while ascending and while descending are t1 and t2 respectively. Then the velocity of projection is (g is the acceleration due to gravity)

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