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A projectile is thorwn with a velocity o...

A projectile is thorwn with a velocity of `50ms^(-1)` at an angle of `53^(@)` with the horizontal
Detemrine the instants at which the projectile is at the same height

A

t - 1s and t = 7s

B

t = 3s and t = 5s

C

t = 2s and t = 6s

D

all the above

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