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A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.4 m/s and moves down the wave until her speed increases to 9.4 m/s. The drop in her vertical height is 2.7 m. (a) If her mass is 59 kg, how much work is done by the force of the wave? (b) If the work occurs during a 0.5 s time interval, what is the average power delivered to the surfer by the wave? a) Wnc = 990 J, b) P = 1980 W %3D %3D

A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.4 m/s and moves down the wave until her speed increases to 9.4 m/s. The drop in her vertical height is 2.7 m. (a) If her mass is 59 kg, how much work is done by the force of the wave? (b) If the work occurs during a 0.5 s time interval, what is the average power delivered to the surfer by the wave? a) Wnc = 990 J, b) P = 1980 W %3D %3D

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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A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.4 m/s and moves down the wave until her speed increases to 9.4 m/s. The drop in her vertical height is 2.7 m. (a) If her mass is 59 kg, how much work is done by the force of the wave? (b) If the work occurs during a 0.5 s time interval, what is the average power delivered to the surfer by the wave? a) Wnc 990 J, b) P = 1980 W %3D
Transcribed Image Text:A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.4 m/s and moves down the wave until her speed increases to 9.4 m/s. The drop in her vertical height is 2.7 m. (a) If her mass is 59 kg, how much work is done by the force of the wave? (b) If the work occurs during a 0.5 s time interval, what is the average power delivered to the surfer by the wave? a) Wnc 990 J, b) P = 1980 W %3D
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