A body of mass m is thrown at an angle θ to the horizontal with the initial velocity v0. Assuming the air drag to be negligible, find the momentum increment Δp that the body acquires over the first t seconds of motion.
A
Δp=mgt
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B
Δp=2mgt
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C
Δp=3mgt
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D
Δp=4mgt
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Solution
The correct option is CΔp=mgt Change in momentum will be equal to the impulse being imparted on it . △p=F×t △p=m×g×t