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CP Genesis Crash. On September 8, 2004, the Genesis

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 13E Chapter 5

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 13E

CP Genesis Crash. On September 8, 2004, the ?Genesis? spacecraft crashed in the Utah desert because its parachute did not open. The 210-kg capsule hit the ground at 311 km/h and penetrated the soil to a depth of 81.0 cm. (a) What was its acceleration (in m/s2 and in g’s), assumed to be constant, during the crash? (b) What force did the ground exert on the capsule during the crash? Express the force in newtons and as a multiple of the capsule’s weight. (c) How long did this force last?

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Step 1 of 3

Solution 13E (a).Using kinematics equation to solve for how long it took to the capsule to slow down and then then using change in momentum over change in time to solve for force. Convert km/hr to m/s sign is consistent. 311 km/hr = 86.389 m/s vf2= v i 2a(x f ) i (0) = ( 86.389) + 2a( 0.81 m 0 m) a = 46027 m/s 2 Work done by the force of ground F = ma 2 F = (210 kg)(4607 m/s ) F = 967456 N ~967 kN (b).capsule’s weight w = 210 9.8* = 2060.1 N.470 N (c). ow long this force last is calculated by =work done by force of ground/capsule’s weight =967456 N /2060.1 N. =470 N times the capsule’s weight

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Chapter 5, Problem 13E is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “CP Genesis Crash. On September 8, 2004, the ?Genesis? spacecraft crashed in the Utah desert because its parachute did not open. The 210-kg capsule hit the ground at 311 km/h and penetrated the soil to a depth of 81.0 cm. (a) What was its acceleration (in m/s2 and in g’s), assumed to be constant, during the crash? (b) What force did the ground exert on the capsule during the crash? Express the force in newtons and as a multiple of the capsule’s weight. (c) How long did this force last?” is broken down into a number of easy to follow steps, and 90 words. Since the solution to 13E from 5 chapter was answered, more than 1068 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 13E from chapter: 5 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: DID, Force, capsule, crash, Genesis. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13.

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