Question

A 9.31 kg block is placed at the top of a frictionless inclined plane angled at 14.9 degrees relative to the horizontal. When released (from rest), the block slides down the full 2.77 meter length of the incline. Calculate the speed (magnitude of the velocity) of the block at the bottom of the incline. [Start by drawing a free-body diagram for the block.] Note that all the information provided may not be necessary to solve the problem.

Answer #1

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A block of mass ? = 12.0 kg is released from rest on an incline
angled at θ = 30 degrees. The block slides down and incline of
length ? = 1.40 m along the incline, which has a coefficient of
kinetic friction between the incline and the block of ?? = 0.180.
The block then slides on a horizontal frictionless surface until it
encounters a spring with a spring constant of ? = 205 N/m. Refer to
the...

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1. Draw a free body diagram for the box while it is on the
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horizontal, as shown in the figure. (Figure 1) A force of magnitude
F = 17.2 N , applied parallel to the incline, is just sufficient to
pull the block up the plane at constant speed. PLEASE PUT ALL
ANSWERS IN JOULES
Part A
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coefficient of...

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