#15 In the Figure below, we see a 500 gram block resting on the horizontal portion of a "track", whose left end is curved upwards.The horizontal portion of the track is frictionless, except for a 50.0 cm long “rough" portion, shown in the Figure, where thecoefficient of kinetic friction is 0.300. The curved portion of the track is frictionless. The block is held against a spring (whichhas a stiffness constant of 500 N/m), compressing the spring by 10.0 cm. Then the block is released from rest. (NOTE: The blockis not attached to the spring; it is just held against the end of the spring.) For simplicity, assume that g = 9.80 m/2.50.0 cm 12. How much work is done on the block by gravity as the block slides up to its highest point on the curved portion of the track?A. 1.77 J.B. - 2.50 J.C. zero.D. - 0.735 J.E. - 1.77 J.13. Through what vertical distance does the block rise as it slides up to its highest point on the curved portion of the track?A. 51.0 cm.B. 36.0 cm.C. 15.0 cm.D. 3.53 cm.E. 13.6 cm.14. Find the change in the gravitational potential energy of the system as the block slides up to its highest point on the curvedportion of the track.A. 0.735 J.B. - 1.77J.C. 1.77 J.D. 2.50 J.E. - 2.50 J.15. Consider the period of time which starts at the instant when the block is released from rest and which extends to the instantwhen the block comes to rest at its highest point on the curved portions of the track. The change in the elastic spring potentialenergy of the system isA. 2.50 J.B. 1.77 J.C. - 2.50 kJ.D. - 2.50 J.E. -1.77 J.

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In the Figure below, we see a 500 gram block resting on the horizontal portion of a "track", whose left end is curved upwards. The horizontal portion of the track is frictionless, except for a 50.0 cm long "rough" portion, shown in the Figure, where the coefficient of kinetic friction is 0.300. The curved portion of the track is frictionless. The block is held against a spring (which has a stiffness constant of 500 N/m), compressing the spring by 10.0 cm. Then the block is released from rest. (NOTE: The block is not attached to the spring; it is just held against the end of the spring.) For simplicity, assume that g = 9.80 m/2. 50.0 cm

In the Figure below, we see a 500 gram block resting on the horizontal portion of a "track", whose left end is curved upwards. The horizontal portion of the track is frictionless, except for a 50.0 cm long "rough" portion, shown in the Figure, where the coefficient of kinetic friction is 0.300. The curved portion of the track is frictionless. The block is held against a spring (which has a stiffness constant of 500 N/m), compressing the spring by 10.0 cm. Then the block is released from rest. (NOTE: The block is not attached to the spring; it is just held against the end of the spring.) For simplicity, assume that g = 9.80 m/2. 50.0 cm

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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Concept explainers

Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest. 

Question

#15

In the Figure below, we see a 500 gram block resting on the horizontal portion of a "track", whose left end is curved upwards.
The horizontal portion of the track is frictionless, except for a 50.0 cm long “rough" portion, shown in the Figure, where the
coefficient of kinetic friction is 0.300. The curved portion of the track is frictionless. The block is held against a spring (which
has a stiffness constant of 500 N/m), compressing the spring by 10.0 cm. Then the block is released from rest. (NOTE: The block
is not attached to the spring; it is just held against the end of the spring.) For simplicity, assume that g = 9.80 m/2.
50.0 cm

12. How much work is done on the block by gravity as the block slides up to its highest point on the curved portion of the track?
A. 1.77 J.
B. - 2.50 J.
C. zero.
D. - 0.735 J.
E. - 1.77 J.
13. Through what vertical distance does the block rise as it slides up to its highest point on the curved portion of the track?
A. 51.0 cm.
B. 36.0 cm.
C. 15.0 cm.
D. 3.53 cm.
E. 13.6 cm.
14. Find the change in the gravitational potential energy of the system as the block slides up to its highest point on the curved
portion of the track.
A. 0.735 J.
B. - 1.77J.
C. 1.77 J.
D. 2.50 J.
E. - 2.50 J.
15. Consider the period of time which starts at the instant when the block is released from rest and which extends to the instant
when the block comes to rest at its highest point on the curved portions of the track. The change in the elastic spring potential
energy of the system is
A. 2.50 J.
B. 1.77 J.
C. - 2.50 kJ.
D. - 2.50 J.
E. -1.77 J.

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