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April 24, 2015

Homework Help: physics HELP

Posted by anonymous on Tuesday, November 30, 2010 at 5:15pm.

A projectile is fired with an initial speed of 1000 m/s at an angle of 37 degrees above the horizontal. If air resistance is neglected, the horizontal component of the projectile's velocity after 20 s is approximately

A) 600 m/s
B) 800 m/s
C) 640 m/s
D) 40 m/s
E) 160 m/s

please help to solve this problem! thanks

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