d of mass m starts from rest and slides without friction from a height h along a curved waterslide (see figure). She is launched from a height h/5 into the pool.
d of mass m starts from rest and slides without friction from a height h along a curved waterslide (see figure). She is launched from a height h/5 into the pool.
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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Transcribed Image Text:A child of mass m starts from rest and slides without friction from a height h along a curved waterslide (see figure). She is launched from a height h/5 into the pool.
Утах
th/5 4
(a) Is mechanical energy conserved?
Yes
No
Why?
This answer has not been graded yet.
(b) Give the gravitational potential energy associated with the child and her kinetic energy in terms of mgh at the following positions: the top of the waterslide, the launching point, and the
point where she lands in the pool. (Use the following as necessary: height h, mass m, and gravitational acceleration g.)
potential eneray
kinetic eneray

Transcribed Image Text:top of the waterslide
launching point
in the pool
(c) Determine her initial speed v, at the launch point in terms of g and h.
,Vox'
in terms of h, g, and the horizontal speed at that height, v
(d) Determine her maximum airborne height ymax
Y max
in terms of g, h, and the launch angle 0.
(e) Use the x-component of the answer to part (c) to eliminate v, from the answer to part (d), giving the height ymay
Y max
(f) Would your answers be the same if the waterslide were not frictionless?
O Yes
No
Explain.
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