How long does the projectile remain in the air

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Reference no: EM131219673

A projectile is fired horizontally from a gun that is 45.0 m above flat ground, emerging from the gun with a speed of 250 m/s.

(a) How long does the projectile remain in the air?

(b) At what horizontal distance from the firing point does it strike the ground?

Reference no: EM131219673

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