4.41 • BIO Human Biomechanics. The fastest pitched baseball was measured at 46 m/s. Typically, a baseball has a mass of 145 the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1.0 m, (a) what force did he produce on the ball during this record-setting pitch? (b) Draw free-body diagrams of the ball during the pitch and just after it left the pitcher's hand. g. If
4.41 • BIO Human Biomechanics. The fastest pitched baseball was measured at 46 m/s. Typically, a baseball has a mass of 145 the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1.0 m, (a) what force did he produce on the ball during this record-setting pitch? (b) Draw free-body diagrams of the ball during the pitch and just after it left the pitcher's hand. g. If
College Physics
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Chapter1: Units, Trigonometry. And Vectors
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4.41 and 4.42
Transcribed Image Text:4.41
• BIO Human Biomechanics. The fastest pitched baseball
was measured at 46 m/s. Typically, a baseball has a mass of 145 g. If
the pitcher exerted his force (assumed to be horizontal and constant)
over a distance of 1.0 m, (a) what force did he produce on the ball
during this record-setting pitch? (b) Draw free-body diagrams of the
ball during the pitch and just after it left the pitcher's hand.
4.42 • BIO Human Biomechanics. The fastest served tennis
ball, served by "Big Bill" Tilden in 1931, was measured at
73.14 m/s. The mass of a tennis ball is 57 g, and the ball is typi-
cally in contact with the tennis racquet for 30.0 ms, with the ball
starting from rest. Assuming constant acceleration, (a) what force
did Big Bill's tennis racquet exert on the tennis ball if he hit it
essentially horizontally? (b) Draw free-body diagrams of the tennis
ball during the serve and just after it moved free of the racquet.
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