Question

Two blocks with masses m1 = 1.10 kg and m2 = 3.50 kg are connected by a massless string. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.440. Assume that the pulley has a negligible mass and is frictionless, and calculate the speed of the blocks after they have moved a distance 68.0 cm.

Answer #1

Two blocks with masses M1 and M2 are connected by a massless
string that passes over a massless pulley as shown.
M1 has a mass of 2.25 kg and is on an incline of θ1=46.5∘ with
coefficient of kinetic friction μ1=0.205.
M2 has a mass of 6.05 kg and is on an incline of θ2=33.5∘ with
coefficient of kinetic friction μ2=0.105.
The two‑block system is in motion with the block of mass M2
sliding down the ramp.
Find the magnitude...

Two blocks with masses M1 and M2 are connected by a massless
string that passes over a massless pulley as shown. M1 has a mass
of 2.25 kg and is on an incline of 49.5° with coefficient of
kinetic friction ?1 = 0.205. M2 has a mass of 5.45 kg and is on an
incline of 31.5° with coefficient of kinetic friction ?2 = 0.105.
Find the magnitude of the acceleration of M2 down the incline.

Objects with masses m1 = 12.0 kg and
m2 = 8.0 kg are connected by a light string
that passes over a frictionless pulley as in the figure below. If,
when the system starts from rest, m2 falls 1.00
m in 1.48 s, determine the coefficient of kinetic friction between
m1 and the table.
Express the friction force in terms of the coefficient of kinetic
friction. Obtain an expression for the acceleration in terms of the
masses and the...

Objects with masses m1 = 11.0 kg and
m2 = 8.0 kg are connected by a light string
that passes over a frictionless pulley as in the figure below. If,
when the system starts from rest, m2 falls 1.00
m in 1.54 s, determine the coefficient of kinetic friction between
m1 and the table.

Two masses are connected by a massless string and a frictionless
pulley. The masses of the blocks are; m1=500 g and m2= 150g. The
coefficiant of friction between m1 and the surface is 0.25. (a)
What is the acceleration of the masses? (b) What is the tension in
the string?

Two blocks of mass m1 = 9.20 kg and m2 are connected by a light
string. When a horizontal force F = 105 N is applied to m1 as shown
in the figure below, the acceleration of the system is 3.20 m/s2
towards the left and the tension in the string connecting the two
blocks is 62.0 N. The blocks are moving on a rough surface with an
unknown coefficient of kinetic friction. Determine the coefficient
of kinetic friction between...

Two blocks (m1=5.5kg, m2=7.2kg
) are connected by a string that passes through a massless pulley
as shown in the Figure. The first block with mass
m1 slides up the inclined
plane when the system is released. The inclined plane makes an
angle θ = 310 with the
horizontal and the kinetic friction coefficient between the
inclined plane and m1 is
=0.35. Take g=10m/s2 Find
the speed of the block with mass m2 after it travels
h=5.6m.

Two blocks A and B with masses of 50 and 100 kg, respectively,
are connected by a rope, the pulley is frictionless and of
negligible mass. The coefficient of kinetic friction between block
A and the inclined plane is 0.25. If block A moves from C to D a
distance of 10m. Assume part of rest. Angle is 35.
Determine: a) The change in kinetic energy of block A, b) The
change in potential energy in block B, c) Calculate...

two blocks of masses 3 and 2 kg are connected with a
massless string through an ideal pulley. find the acceleration of
the block and forces in three cases. the friction coefficient
between the horizontal surface and the 3 kg block is a.)0, b.)0.5
and c.)0.8

Two blocks are connected by a massless string that runs across a
frictionless pulley with a mass of 5.00 kg and a radius of 10.0 cm.
The first block with an unknown mass of m1 sits on a horizontal
surface and is also connected to a spring with a spring constant of
k = 250 N/m. The coefficient of kinetic friction between the first
block and the surface is 0.400. The second block with a mass of m2
= 6.00...

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