The football player at A throws the ball in the yz plane at a speed v A
Question:
The football player at A throws the ball in the y–z plane at a speed vA = 50 ft/s and an angle θA = 60° with the horizontal. At the instant the ball is thrown, the player is at B and is running with constant speed along the line BC in order to catch it. Determine this speed, vB, so that he makes the catch at the same elevation from which the ball was thrown.
Transcribed Image Text:
N VA 20A 30 ft VB X 20 ft В
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VB VA VBA 15 cos 60i 15 sin 60j 30i VBAxi VBAyj 15 cos 60 30 VBAx 0 UBAy 15 sin 60 VBAx VBA...View the full answer
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Related Book For
Engineering Mechanics Statics & Dynamics
ISBN: 9780134895154
15th Edition
Authors: Russell C. Hibbeler
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