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Grade: 11

                        

The time of flight of a projectile is 10s. It's range on a horizontal plane is 100m. Calculate the angle of projection and the velocity of projection

2 years ago

Answers : (1)

Khimraj
3007 Points
							
time of flight T = 2usin\Theta/g = 10     – (1)
range    R = u2sin2\Theta/g = 100      – (2)
Then (2)/(1)2
tan\Theta/4 = 1
tan\Theta = 4
So \Theta = tan-14
Hope it clears.
2 years ago
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