A 74.0-kg skydiver reaches a terminal speed of 59.7 m/s with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or Fdrag = kv2. (a) What is the constant of proportionality k? (Assume the gravitational acceleration is 9.8 m/s2.) (b) What was the magnitude of the acceleration when she was falling at half terminal speed? m/s2
A 74.0-kg skydiver reaches a terminal speed of 59.7 m/s with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or Fdrag = kv2. (a) What is the constant of proportionality k? (Assume the gravitational acceleration is 9.8 m/s2.) (b) What was the magnitude of the acceleration when she was falling at half terminal speed? m/s2
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
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 61P
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A 74.0-kg skydiver reaches a terminal speed of 59.7 m/s with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or Fdrag = kv2.
(a) What is the constant of proportionality k? (Assume the gravitational acceleration is 9.8 m/s2.)
(b) What was the magnitude of the acceleration when she was falling at half terminal speed?
m/s2
(b) What was the magnitude of the acceleration when she was falling at half terminal speed?
m/s2
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