A batter hits the baseball A with an initial velocity of vo= 95 ft/sec directly toward fielder B at an angle of 38° to the horizontal; the initial position of the ball is 2.5 ft above ground level. Fielder B requires 0.50 sec to judge where the ball should be caught and begins moving to that position with constant speed. Because of great experience, fielder B chooses his running speed so that he arrives at the "catch position" simultaneously with the baseball. The catch position is the field location at which the ball altitude is 8.3 ft. Determine the velocity of the ball relative to the fielder at the instant the catch is made. 438 2.5' 233'

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 3P: A particle initially located at the origin has an acceleration of a=3.00jm/s2 and an initial...
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A batter hits the baseball A with an initial velocity of vo = 95 ft/sec directly toward fielder B at an angle of 38° to the horizontal; the
initial position of the ball is 2.5 ft above ground level. Fielder B requires 0.50 sec to judge where the ball should be caught and begins
moving to that position with constant speed. Because of great experience, fielder B chooses his running speed so that he arrives at the
"catch position" simultaneously with the baseball. The catch position is the field location at which the ball altitude is 8.3 ft. Determine
the velocity of the ball relative to the fielder at the instant the catch is made.
Vo
138
2.5'
Answer: VA/B = (
i
233'
AB
i + i
j) ft/sec
Transcribed Image Text:A batter hits the baseball A with an initial velocity of vo = 95 ft/sec directly toward fielder B at an angle of 38° to the horizontal; the initial position of the ball is 2.5 ft above ground level. Fielder B requires 0.50 sec to judge where the ball should be caught and begins moving to that position with constant speed. Because of great experience, fielder B chooses his running speed so that he arrives at the "catch position" simultaneously with the baseball. The catch position is the field location at which the ball altitude is 8.3 ft. Determine the velocity of the ball relative to the fielder at the instant the catch is made. Vo 138 2.5' Answer: VA/B = ( i 233' AB i + i j) ft/sec
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