Homework Help: Physics

Posted by Ted on Tuesday, February 5, 2013 at 5:05pm.

An outﬁelder throws a 1.05 kg baseball at a
speed of 99 m/s and an initial angle of 47.5
◦
.
What is the kinetic energy of the ball at the
highest point of its motion?
Answer in units of J

Physics - bobpursley, Tuesday, February 5, 2013 at 5:33pm
horizontal velocity=99*cos47.5

KE at top=1/2 m (horizonalvelocity)^2

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