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A skydiver weighing 247 lbf (including equipment) falls vertically downward from an altitude of 4000 ft and opens the parachute after 10 s of free fall. Assume that the force of air resistance, which is directed opposite to the velocity, is 0.73 | | when the parachute is closed and 11 | vl when the parachute is open, where the velocity v is measured in ft/s. Use g = 32 ft/s². Round your answers to two decimal places. (a) Find the speed of the skydiver when the parachute opens. v(10) = ft/s (b) Find the distance fallen before the parachute opens. x(10) = i ft (c) What is the limiting velocity UL after the parachute opens? UL = ft/s

A skydiver weighing 247 lbf (including equipment) falls vertically downward from an altitude of 4000 ft and opens the parachute after 10 s of free fall. Assume that the force of air resistance, which is directed opposite to the velocity, is 0.73 | | when the parachute is closed and 11 | vl when the parachute is open, where the velocity v is measured in ft/s. Use g = 32 ft/s². Round your answers to two decimal places. (a) Find the speed of the skydiver when the parachute opens. v(10) = ft/s (b) Find the distance fallen before the parachute opens. x(10) = i ft (c) What is the limiting velocity UL after the parachute opens? UL = ft/s

Principles of Physics: A Calculus-Based Text
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
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 23P
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A skydiver weighing 247 lbf (including equipment) falls vertically downward from an altitude of 4000 ft and opens the parachute after 10 s of free fall. Assume that the force of air resistance, which is directed opposite to the velocity, is 0.73 | | when the parachute is closed and 11 | vl when the parachute is open, where the velocity v is measured in ft/s. Use g = 32 ft/s². Round your answers to two decimal places. (a) Find the speed of the skydiver when the parachute opens. v(10) = ft/s (b) Find the distance fallen before the parachute opens. x(10) = i ft (c) What is the limiting velocity UL after the parachute opens? UL = ft/s
Transcribed Image Text:A skydiver weighing 247 lbf (including equipment) falls vertically downward from an altitude of 4000 ft and opens the parachute after 10 s of free fall. Assume that the force of air resistance, which is directed opposite to the velocity, is 0.73 | | when the parachute is closed and 11 | vl when the parachute is open, where the velocity v is measured in ft/s. Use g = 32 ft/s². Round your answers to two decimal places. (a) Find the speed of the skydiver when the parachute opens. v(10) = ft/s (b) Find the distance fallen before the parachute opens. x(10) = i ft (c) What is the limiting velocity UL after the parachute opens? UL = ft/s
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