Pitch direction A baseball pitcher throws a curveball by spinning and throwing the ball, and the schematic diagram shows the stylized pattem of air flow around the ball on a horizontal plane. As the ball travels in the air, it also spins, causing the air flow velocity on the right of the ball, Vz, to be lower than the air flow velocity on the left, VL. The air has density. p. Air flow around the ball p-12 kg/m V-15 m/s V-18 m's g-9.81 m/s Spin direction (a) Which way will the baseball curve? To the left, or to the right? (b) Use Bernoulli's equation to estimate the magnitude of nressure VL

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Pitch
direction
A baseball pitcher throws a curveball by spinning and throwing the
ball, and the schematic diagram shows the stylized pattem of air
flow around the ball on a horizontal plane. As the ball travels in the
air, it also spins, causing the air flow velocity on the right of the
ball, Vz, to be lower than the air flow velocity on the left, VL. The
air has density, p.
Air flow around
the ball
p-12 kg/m
VR 15 m/s
V 18 m/s
g-9.81 m/s
Spin
direction
(a) Which way will the baseball curve? To the left, or to the right?
(b) Use Bernoulli's cquation to estimate the magnitude of pressure
difference between the left and right sides of the ball, that causes the ball to curve.
VL
VR
Transcribed Image Text:Pitch direction A baseball pitcher throws a curveball by spinning and throwing the ball, and the schematic diagram shows the stylized pattem of air flow around the ball on a horizontal plane. As the ball travels in the air, it also spins, causing the air flow velocity on the right of the ball, Vz, to be lower than the air flow velocity on the left, VL. The air has density, p. Air flow around the ball p-12 kg/m VR 15 m/s V 18 m/s g-9.81 m/s Spin direction (a) Which way will the baseball curve? To the left, or to the right? (b) Use Bernoulli's cquation to estimate the magnitude of pressure difference between the left and right sides of the ball, that causes the ball to curve. VL VR
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