Tuesday
March 31, 2015

Homework Help: physics

Posted by Gail on Sunday, October 16, 2011 at 9:49am.

Suppose a stone is thrown at an angle of 30 degrees below the horizontal, if it strikes the ground 57m away, find (a)the time of flight, (b)the initial speed, and (c) the speed and the angle of the velocity vector with respect to the horizontal impact.

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