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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

An airplane, diving at an angle of with the vertical, releases a projectile at an altitude of 730 m. The projectile hits the ground 5.00 s after being released. What is the speed of the aircraft? ( ms, )

Answer: (B)

Solution

The angle with the horizontal is , so the (downward) vertical component of the release velocity is

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Question ID VK-157988