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A 62.9-kg skydiver reaches a terminal speed of 57.0 m/s with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or Farag = kv². (a) What is the constant of proportionality k? (Assume the gravitational acceleration is 9.8 m/s?.) (b) What was the magnitude of the acceleration when she was falling at half terminal speed? m/s?

A 62.9-kg skydiver reaches a terminal speed of 57.0 m/s with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or Farag = kv². (a) What is the constant of proportionality k? (Assume the gravitational acceleration is 9.8 m/s?.) (b) What was the magnitude of the acceleration when she was falling at half terminal speed? m/s?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Text for Educational Website:** A **62.9-kg** skydiver reaches a terminal speed of **57.0 m/s** with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or \( F_{\text{drag}} = kv^2 \). (a) What is the constant of proportionality \( k \)? (Assume the gravitational acceleration is **9.8 m/s\(^2\)**.) [Text Box for Answer] (b) What was the magnitude of the acceleration when she was falling at half terminal speed? [Text Box for Answer] **Need Help?** [Read It Button]
Transcribed Image Text:**Text for Educational Website:** A **62.9-kg** skydiver reaches a terminal speed of **57.0 m/s** with her parachute undeployed. Suppose the drag force acting on her is proportional to the speed squared, or \( F_{\text{drag}} = kv^2 \). (a) What is the constant of proportionality \( k \)? (Assume the gravitational acceleration is **9.8 m/s\(^2\)**.) [Text Box for Answer] (b) What was the magnitude of the acceleration when she was falling at half terminal speed? [Text Box for Answer] **Need Help?** [Read It Button]
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