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Elodia [21]
3 years ago
12

An outfielder throws a 0.150-kg baseball at a speed of 56.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the

ball at the highest point of its motion?
Physics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0
<h2>Kinetic energy of the ball at the highest point of its motion is 176.42 J</h2>

Explanation:

Kinetic energy = 0.5 x Mass x Velocity²

Mass, m = 0.150 kg

At highest point the baseball is only having horizontal velocity.

Horizontal velocity, v = 56 cos 30 = 48.50 m/s

Substituting

Kinetic energy = 0.5 x Mass x Velocity²

Kinetic energy = 0.5 x 0.15 x 48.50²

Kinetic energy = 176.42 J

Kinetic energy of the ball at the highest point of its motion is 176.42 J

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