17. A skydiver of mass 80.0 kg jumps from a stationary helicopter and reaches a terminal speed of 50.0 m/s. (a) Assuming that the resistive force is proportional to her speed squared, what is her acceleration when her speed is 30.0 m/s? What is the drag force on the skydiver when her speed is (b) 50.0 m/s and (c) 30.0 m/s? Answers: a) 6.27 m/s² downward b) 784 N directed up c) 283 N upward
17. A skydiver of mass 80.0 kg jumps from a stationary helicopter and reaches a terminal speed of 50.0 m/s. (a) Assuming that the resistive force is proportional to her speed squared, what is her acceleration when her speed is 30.0 m/s? What is the drag force on the skydiver when her speed is (b) 50.0 m/s and (c) 30.0 m/s? Answers: a) 6.27 m/s² downward b) 784 N directed up c) 283 N upward
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And The Law Of Gravity
Section: Chapter Questions
Problem 9WUE: A man whirls a 0.20-kg piece of lead attached to the end of a string of length 0.500 m in a circular...
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