A roller coaster starts from rest at point A, given in the figure below. Answer the following questions assuming friction is ignored and justify your answers (a) Where is the gravitational potential energy the greatest? (b) Where is the kinetic energy the greatest? (c) Where is the speed the greatest? (d) Do you need to know the mass of the roller coaster cart to find its speed? Why or why not? (e) Explain what happens to the energy of the pendulum as it travels from A to B. (g) In an non- ideal world the roller coaster cart will eventually comes to a rest. Is energy lost? Explain why or why not
A roller coaster starts from rest at point A, given in the figure below. Answer the following questions assuming friction is ignored and justify your answers (a) Where is the gravitational potential energy the greatest? (b) Where is the kinetic energy the greatest? (c) Where is the speed the greatest? (d) Do you need to know the mass of the roller coaster cart to find its speed? Why or why not? (e) Explain what happens to the energy of the pendulum as it travels from A to B. (g) In an non- ideal world the roller coaster cart will eventually comes to a rest. Is energy lost? Explain why or why not
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
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A roller coaster starts from rest at point A, given in the figure below. Answer the following questions assuming friction is ignored and justify your answers
(a) Where is the gravitational potential energy the greatest?
(b) Where is the kinetic energy the greatest?
(c) Where is the speed the greatest?
(d) Do you need to know the mass of the roller coaster cart to find its speed? Why or why not?
(e) Explain what happens to the energy of the pendulum as it travels from A to B.
(g) In an non- ideal world the roller coaster cart will eventually comes to a rest. Is energy lost? Explain why or why not
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