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Starting from rest, a 57.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t – 11,500t2 where F is in newtons and t is in seconds. (a) What impulse (in N· s) did the woman receive from the floor? (Enter the magnitude. Round your answer to at least three significant figures.) N.S (b) With what speed (in m/s) did she reach the floor? (Round your answer to at least three significant figures.) m/s (c) With what speed (in m/s) did she leave it? (Round your answer to at least three significant figures.) m/s

Starting from rest, a 57.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t – 11,500t2 where F is in newtons and t is in seconds. (a) What impulse (in N· s) did the woman receive from the floor? (Enter the magnitude. Round your answer to at least three significant figures.) N.S (b) With what speed (in m/s) did she reach the floor? (Round your answer to at least three significant figures.) m/s (c) With what speed (in m/s) did she leave it? (Round your answer to at least three significant figures.) 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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Starting from rest, a 57.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 

0 < t < 0.800 s,

 the force she exerts on the floor can be modeled using the function

Starting from rest, a 57.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t – 11,500t2 where F is in newtons andt is in seconds. (a) What impulse (in N • s) did the woman receive from the floor? (Enter the magnitude. Round your answer to at least three significant figures.) (b) With what speed (in m/s) did she reach the floor? (Round your answer to at least three significant figures.) m/s (c) With what speed (in m/s) did she leave it? (Round your answer to at least three significant figures.) m/s (d) To what height (in m) did she jump upon leaving the floor?
Transcribed Image Text:Starting from rest, a 57.0 kg woman jumps down to the floor from a height of 0.800 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0 < t < 0.800 s, the force she exerts on the floor can be modeled using the function F = 9,200t – 11,500t2 where F is in newtons andt is in seconds. (a) What impulse (in N • s) did the woman receive from the floor? (Enter the magnitude. Round your answer to at least three significant figures.) (b) With what speed (in m/s) did she reach the floor? (Round your answer to at least three significant figures.) m/s (c) With what speed (in m/s) did she leave it? (Round your answer to at least three significant figures.) m/s (d) To what height (in m) did she jump upon leaving the floor?
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