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Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A golf ball weighs 0.102 lbf and has a diameter of 1.7 in.
A professional golfer strikes the ball at an initial velocity of 250 ft/s, an upward angle of 20°, and a backspin (front of
the ball rotating upward). Assume that the lift coefficient
on the ball (based on frontal area) follows Fig. P7.108.
If the ground is level and drag is neglected, make a simple
analysis to predict the impact point (a) without spin and
(b) with backspin of 7500 r/min.

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Transcribed Image Text:0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -0.1 0.0 1.0 2.0 3.0 4.0 5.0 6.0 wR
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