Part A: How far is it from the end when it stops?
Homework Answers
use kinematics to find the acceleration
v2 - u2 = 2ad
42 - 52 = 2*a*3
a = -1.5 m/s2
Now,
distance covered before puck finally stops
02 - 52 = 2*(-1.5)d
d = 8.333 m
so,
distance left = 9.3 - 8.333
distance = 0.9666 m
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Part A: How far is it from the end when it stops?
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μ1 = 0.31, at an
initial height h = 0.53 m above
the ground. The plane is inclined at an angle θ =
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from its equilibrium point (the spring has a spring constant of
k1 = 39 N/m) and
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Part C Review A 4.5 kg box slides down a 5.2-m -high frictionless hill starting from rest, across a 2.3-m -wide horizontal surface then hits a horizontal spring with spring constant 470 N/m How far is the spring compressed? Express your answer using two significant figures The other end of the spring is anchored against a wall The ground under the spring is frictionless, but the 2.3-m- long horizontal surface is rough. The coefficient of kinetic friction of the box...
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