A 5.60-kg block is set into motion up an inclined plane with an initial speed of v¡ = 7.60 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the %3D horizontal.

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Chapter8: Potential Energy And Conservation Of Energy
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A 5.60-kg block is set into motion up an inclined plane
with an initial speed of v¡ = 7.60 m/s (see figure below).
%3D
The block comes to rest after traveling d = 3.00 m along
the plane, which is inclined at an angle of 0 = 30.0° to the
%3D
horizontal.
(a) For this motion, determine the change in the
block's kinetic energy.
We know an initial speed and a final speed. Are the
other pieces of information relevant to this question?
J
(b) For this motion, determine the change in potential
energy of the block-Earth system.
82.3
J
(c) Determine the friction force exerted on the block
(assumed to be constant).
You appear to have correctly calculated the force
using your incorrect results from parts (a) and (b). N
(d) What is the coefficient of kinetic friction?
You appear to have calculated the coefficient
correctly using your incorrect result from part (c).
Transcribed Image Text:A 5.60-kg block is set into motion up an inclined plane with an initial speed of v¡ = 7.60 m/s (see figure below). %3D The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the %3D horizontal. (a) For this motion, determine the change in the block's kinetic energy. We know an initial speed and a final speed. Are the other pieces of information relevant to this question? J (b) For this motion, determine the change in potential energy of the block-Earth system. 82.3 J (c) Determine the friction force exerted on the block (assumed to be constant). You appear to have correctly calculated the force using your incorrect results from parts (a) and (b). N (d) What is the coefficient of kinetic friction? You appear to have calculated the coefficient correctly using your incorrect result from part (c).
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