A body is projected vertically up with velocity 98ms-1. After 2s if the acceleration due to gravity of earth disappears, the velocity of the body at the end of next 3s is
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a
49 ms-1
b
49.6 ms-1
c
78.4 ms-1
d
94.7 ms-1
answer is C.
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Detailed Solution
In the absence of gravity the body will continue to move with the same velocity as it had after 2 second.
A body is projected vertically up with velocity 98ms-1. After 2s if the acceleration due to gravity of earth disappears, the velocity of the body at the end of next 3s is