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+1 vote
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in Physics by (8.8k points)

The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 m s–1 can go without hitting the ceiling of the hall?

1 Answer

+2 votes
by (13.8k points)
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Best answer

Speed of the ball, u = 40 m/s

Maximum height, h = 25 m

In projectile motion, the maximum height reached by a body projected at an angle θ, is given by the relation:

sin θ = 0.5534 θ = sin-1 

(0.5534) = 33.60°

Horizontal range, R

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