Dancers experience large forces associated with the jumps they make. For example, when a dancer lands after a vertical jump, the force exerted on the head by the neck must exceed the head's weight by enough to cause the head to slow down and come to rest. The head is about 9.4%% of a typical person's mass. Video analysis of a 70 kgkg dancer landing after a vertical jump shows that her head slows down from 4.2 m/sm/s to rest in a time of 0.19 s.What is the magnitude of the average force that her neck exerts on her head during the landing?
Dancers experience large forces associated with the jumps they make. For example, when a dancer lands after a vertical jump, the force exerted on the head by the neck must exceed the head's weight by enough to cause the head to slow down and come to rest. The head is about 9.4%% of a typical person's mass. Video analysis of a 70 kgkg dancer landing after a vertical jump shows that her head slows down from 4.2 m/sm/s to rest in a time of 0.19 s.What is the magnitude of the average force that her neck exerts on her head during the landing?
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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Dancers experience large forces associated with the jumps they make. For example, when a dancer lands after a vertical jump, the force exerted on the head by the neck must exceed the head's weight by enough to cause the head to slow down and come to rest. The head is about 9.4%% of a typical person's mass. Video analysis of a 70 kgkg dancer landing after a vertical jump shows that her head slows down from 4.2 m/sm/s to rest in a time of 0.19 s.What is the magnitude of the average force that her neck exerts on her head during the landing?
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