How long does the projectile remain in the air

Reference no: EM13523348

A projectile is fired horizontally from a gun that is 48.0 m above flat ground, emerging from the gun with a speed of 280 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: EM13523348

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