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At the instant of take-off, a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical velocity of 10m/sec. Find the angle of take-off (relative to the horizontal) and the magnitude of the resultant velocity vector.

At the instant of take-off, a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical velocity of 10m/sec. Find the angle of take-off (relative to the horizontal) and the magnitude of the resultant velocity vector.

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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5. At the instant of take-off, a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical velocity of 1Om/sec. Find the angle of take-off (relative to the horizontal) and the magnitude of the resultant velocity vector. 6. A soccer ball is kicked at an angle of 60 from the ground. If the velocity of the ball is 110 m/s, compute the horizontal and vertical velocities of the ball at the instant of kick.
Transcribed Image Text:5. At the instant of take-off, a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical velocity of 1Om/sec. Find the angle of take-off (relative to the horizontal) and the magnitude of the resultant velocity vector. 6. A soccer ball is kicked at an angle of 60 from the ground. If the velocity of the ball is 110 m/s, compute the horizontal and vertical velocities of the ball at the instant of kick.
4. Your upper arm exerts 60N and lower arm exerts 40N anteriorly and superiorly. When your upper and lower arms are bent at 90°, describe the magnitude and direction of the resultant force exerted on your arm. nff a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical ntall and the magnitude of the
Transcribed Image Text:4. Your upper arm exerts 60N and lower arm exerts 40N anteriorly and superiorly. When your upper and lower arms are bent at 90°, describe the magnitude and direction of the resultant force exerted on your arm. nff a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical ntall and the magnitude of the
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