please help with these questions 31,32, and 33, correct answers please 31. As an object slides across a rough horizontalsurface, what happens to the object'sgravitational potential energy withrespect to the surface and speed? ,(1) Both gravitational potential energy andspeed decrease.(2) Gravitational potential energy decreases andspeed remains the same.(3) Gravitational potential energy remains thesame and speed decreases.(4) Both gravitational potential energy andspeed remain the same.32. The diagram below represents a cart travelingwith initial speed v from left to right along africtionless surface.Earth's surfaceAt which point is the gravitational potentialenergy of the cart least?(1) A(3) C33. Calculate the gravitational potential energywith respect to Earth's surface gained by a5.00-kilogram mass as a result of being raised2.00 meters from Earth's surface.(2) B(4) D

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Answered: 31. As an object slides across a rough…

31. As an object slides across a rough horizontal surface, what happens to the object's gravitational potential energy with respect to the surface and speed?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 14CQ: Two stones, one with twice the mass of the other, are thrown straight up and rise to the same height...

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Question

please help with these questions 31,32, and 33, correct answers please

31. As an object slides across a rough horizontal
surface, what happens to the object's
gravitational potential energy with
respect to the surface and speed? ,
(1) Both gravitational potential energy and
speed decrease.
(2) Gravitational potential energy decreases and
speed remains the same.
(3) Gravitational potential energy remains the
same and speed decreases.
(4) Both gravitational potential energy and
speed remain the same.
32. The diagram below represents a cart traveling
with initial speed v from left to right along a
frictionless surface.
Earth's surface
At which point is the gravitational potential
energy of the cart least?
(1) A
(3) C
33. Calculate the gravitational potential energy
with respect to Earth's surface gained by a
5.00-kilogram mass as a result of being raised
2.00 meters from Earth's surface.
(2) B
(4) D

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