The work done in launching the baseball is 169 J.
<h3>What is work-energy theorem ?</h3>
The work-energy theorem states that, the net work done on a system is equal to the change in kinetic energy of the system.
Here,
Mass of the baseball, m = 145g
Speed of the baseball, v = 108 Mph = 48.28 m/s
According to work-energy theorem,
Work done, W = Kinetic energy
W = 1/2 mv²
W = 1/2 x 145 x 10⁻³ x 48.28²
W = 169 J
Hence,
The work done in launching the baseball is 169 J.
To learn more about work-energy theorem, click:
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