Question

Block 1, with mass *m*_{1} and speed 5.4 m/s,
slides along an *x* axis on a frictionless floor and then
undergoes a one-dimensional elastic collision with stationary block
2, with mass *m*_{2} = 0.65*m*_{1}.
The two blocks then slide into a region where the coefficient of
kinetic friction is 0.56; there they stop. How far into that region
do **(a)** block 1 and **(b)** block 2
slide?

Answer #1

Object 1, with mass m1 and speed 5.3 m/s, slides along
on a frictionless ice rink and then undergoes
a one-dimensional elastic collision with a standstill object 2,
with mass m2 = 0.44m1. The two objects
then slide into a region where the coefficient of kinetic friction
is 0.56; there they stop. How far into that
region do (a) object 1 and (b) object 2 slide? (c) Assume the
collision is inelastic, and that the objects
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Speed amplifier. Block 1 of mass
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block 1 of mass m1 slides from rest along a
frictionless ramp from an unknown height h and then
collides with stationary block 2, which has mass m2 =
3m1 . The collision is an elastic one. After the
collision, block 2 slides into a friction-filled region where the
coefficient of kinetic friction is 0.5 and comes to a stop through
a distance d = 10 m in that region. What is the height
h?

Block 1 of mass m1 slides along a frictionless floor
and into a one-dimensional elastic collision with stationary block
2 of mass m2 = 8m1. Prior to the collision, the
center of mass of the two-block system had a speed of 4.6 m/s.
What is the speed of block 2 after the collision (in m/s)?
Sample submission: 8.9

In the figure here, a stationary block explodes into two pieces L
and R that slide across a frictionless floor and then into regions
with friction, where they stop. Piece L, with a mass of 3.8 kg,
encounters a coefficient of kinetic friction μL = 0.56 and slides
to a stop in distance dL = 0.48 m. Piece R encounters a coefficient
of kinetic friction μR = 0.56 and slides to a stop in distance dR =
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A block with a mass m1=2.3kg is sliding along a frictionless
surface with a velocity of 7.3m/s. It collides inelastically with
mass m2=1.7kg and the two blocks stick together. They then slide
down a frictionless incline with a Height 95cm. How fast are they
going when they reach the bottom of the incline?
Part B. If the coefficient of kinetic friction, uk is 0.15 along
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A stationary block of mass 5 kg explodes into two pieces L and R
that slide across a frictionless floor. The left piece slides
across the region with friction and stops, the right piece
compresses a spring. Momentum is conserved during the explosion.
Piece L has a mass of 2 kg and encounters a flat surface with
coefficient of kinetic friction µL = 0.4 and slides to a stop in
distance dL = 0.5 m. Piece R slides across the...

A wood block with mass 2 kg slides along the floor. It is given
an initial velocity of 10 m/s and comes to a stop after traveling
1.5 m. What is the coefficient of kinetic friction between the
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In the figure here, a stationary block explodes into two pieces
L and R that slide across a frictionless floor and then into
regions with friction, where they stop. Piece L, with a mass of 2.2
kg, encounters a coefficient of kinetic friction μL = 0.52 and
slides to a stop in distance dL = 0.41 m. Piece R encounters a
coefficient of kinetic friction μR = 0.33 and slides to a stop in
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Block 1, of mass m1 = 12.3 kg , moves along a frictionless air
track with speed v1 = 13.0 m/s . It collides with block 2, of mass
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together after the collision. Find the magnitude pi of the total
initial momentum of the two-block system. Find vf, the magnitude of
the final velocity of the two-block system. What is the change
ΔK=Kfinal−Kinitial in the two-block system's...

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