A man flies a kite at a height of 50 m. The wind carries the kite horizontally away from him at a rate of 10 m/sec. How fast is the distance between the man and the kite changing when the kite is 130 m away from him? A) 9.2 m/sec B) 51 m/sec C) 10 m/sec D) 10.9 m/sec

A man flies a kite at a height of 50 m. The wind carries the kite horizontally away from him at a rate of 10 m/sec. How fast is the distance between the man and the kite changing when the kite is 130 m away from him? A) 9.2 m/sec B) 51 m/sec C) 10 m/sec D) 10.9 m/sec

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter11: Introduction To Trigonometry

Section11.4: Applications With Acute Triangles

Problem 39E

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Question

A man flies a kite at a height of 50 m. The wind carries the kite horizontally away from
him at a rate of 10 m/sec. How fast is the distance between the man and the kite
changing when the kite is 130 m away from him?
A) 9.2 m/sec
B) 51 m/sec
C) 10 m/sec
D) 10.9 m/sec

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