Question

. A body thrown vertically upwards reaches the maximum height in 2 sec. The
velocity of projection is
]
a) 9.8 ms' b) 19.6 ms c) 39.2 ms-' d) 78.4 ms​

Answer 1

Step-by-step explanation:

v=u+at;a=−g

v=u−gt

v=0,u=gt

u=9.8×2=19.6 m/s

Answer 2

Step-by-step explanation:

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