Homework Help: physics

Posted by mel on Sunday, November 18, 2012 at 7:41pm.

A shell is fired from the ground with an initial speed of 1.58 103 m/s at an initial angle of 31° to the horizontal.
(a) Neglecting air resistance, find the shell's horizontal range.
m
(b) Find the amount of time the shell is in motion.
s

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