A 30 kg girl goes down a slide at an amusement park, reaching the bottom with a velocity of 2.5 m/s. The slide is 10.0 m long and the top end is 3.00 m above the ground, bottom is 0.300m above the ground. (a) What is her gravitational potential energy at the top of the slide, relative to the bottom of the slide ? (b) What is her kinetic energy when she reaches the bottom? (c) How much energy is lost due to friction? (d) Calculate the coefficient of friction between her and the slide as she goes down.
A 30 kg girl goes down a slide at an amusement park, reaching the bottom with a velocity of 2.5 m/s. The slide is 10.0 m long and the top end is 3.00 m above the ground, bottom is 0.300m above the ground. (a) What is her gravitational potential energy at the top of the slide, relative to the bottom of the slide ? (b) What is her kinetic energy when she reaches the bottom? (c) How much energy is lost due to friction? (d) Calculate the coefficient of friction between her and the slide as she goes down.
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 30 kg girl goes down a slide at an amusement park, reaching the bottom with a velocity of 2.5 m/s. The slide is 10.0 m long and the top end is 3.00 m above the ground, bottom is 0.300m above the ground.
(a) What is her gravitational potential energy at the top of the slide, relative to the bottom of the slide ?
(b) What is her kinetic energy when she reaches the bottom?
(c) How much energy is lost due to friction?
(d) Calculate the coefficient of friction between her and the slide as she goes down.

Transcribed Image Text:14.
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A 30 kg girl goes down a slide at an amusement park, reaching the bottom
a velocity of 2.5 m/s. The slide is 10.0 m long and the top end is 3.00 m
above the ground, bottom is 0.300m above the ground.
(a) What is her gravitational potential energy at the top of the slide, relative to the
bottom of the slide ?
(b) What is her kinetic energy when she reaches the bottom?
(c) How much energy is lost due to friction?
(d) Calculate the coefficient of friction between her and the slide as she goes down.
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