Homework Help: Science

Posted by Jenny on Sunday, June 29, 2008 at 6:48pm.

A horizontal projectile with mass of 19.0kg is launched from a height of 7.0m above ground level with a horizontal speed of 250.0m/s.
A)During projectile's flight, what forces are acting on it?
B)What are the sizes & directions of the forces?
C)Assuming ground below flight path remains level, what is the vetical speed of the projectile as it hits the ground?
D)What is the flight time of the projectile?
E)What was the horizontal distance traveled?
F)How much work is done on the projectile?

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