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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.

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 58P: You throw a baseball at an initial speed of 15.0 m/s at an angle of 30 with respect to the...
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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: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
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.
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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