A man and a parachute are falling with a speed of 173 ft/sec when the parachute opens and the speed is reduced so as to approach the limiting value of 15 ft/sec by an air resistance proportional to the square of the speed. Find time in terms of the velocity.

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 7OQ: A projectile is launched on the Earth with a certain initial velocity and moves without air...
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A man and a parachute are falling with a speed of 173 ft/sec when the parachute opens and the speed is reduced so as to approach the limiting value of 15 ft/sec by an air resistance proportional to the square of the speed. Find time in terms of the velocity.

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