Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN: 9780078807213

Author: Paul W. Zitzewitz

Publisher: Glencoe/McGraw-Hill

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Which expression correctly gives the total time the projectile spends in the air? t = _______
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c) vi sin(θ)/g
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Professional golfers can drive the ball over 200 m. While air resistance is significant, its effects are nearly canceled because lift is gained from backspin on the ball, and so a reasonable description of the ball’s trajectory is obtained if air resistance is neglected. Suppose a golfer hits a ball 200 m on level ground, giving it an initial velocity at an angle of 45o. The duration of the impact of the club and ball has been measured to be 1.00 ms.
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