Two boxes with masses of mA = 2.4 kg and mB = 4.4 kg are
connected to each other by a light and non-stretchable rope that
passes over a light and smoothly rotating runner. The tracks are
given a small initial speed in the direction of the indicated
speed. The sliding coefficient between the boxes and the levels is
μ = 0.28 (angles are
)
a) Determine the acceleration of the tracks.
b) Determine how much friction between box B and the surface is needed to prevent the boxes from moving. Assume the positive direction of the image in the direction of the green arrow.
Homework Answers
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Two boxes with masses of mA = 2.4 kg and mB = 4.4 kg are connected...
3. An Atwood machine consists of two masses, mA 4.3 kg and mB 9.7 kg, connected...
3. An Atwood machine consists of two masses, mA 4.3 kg and mB 9.7 kg, connected by a cord that passes over a pulley free to rotate about a fixed axis. The pulley is a hoop of radius Ro 0.75 m and mass M-3.2 kg. mB Im If mB is initially h-2.4 m above the table and released from rest, with what speed will it hit the table? (Hint: Use energy considerations and note that mass ma will go up...
Two masses, mA = 34.0 kg and mB = 40.0 kg , are connected by a...
Two masses, mA = 34.0 kg and mB = 40.0 kg , are connected by a
rope that hangs over a pulley (as in the figure (Figure 1)). The
center of the pulley is hollowed out so that you may assume all the
mass of the pulley is in the rim. The radius of the pulley is 0.381
m and the mass of the pulley is 3.10 kg . Initially mA is on the
ground and mB rests 2.50 m...
Two masses, Ma= 35.0kg and Mb = 40.0 kg, are connected by a rope that hangs...
Two masses, Ma= 35.0kg and Mb =
40.0 kg, are connected by a rope that hangs over a pulley (as in
the figure ). The pulley is a uniform cylinder of radius 0.381m and
mass 3.4kg . Initially Ma is on the ground and Mb rests 2.3m above
the ground.
If the system is released, use conservation of energy to determine
the speed of just before it strikes the ground. Assume the pulley
bearing is frictionless.
mi Q2) Two masses are attached by a rope; mı-2.00 kg is hanging off the edge...
mi Q2) Two masses are attached by a rope; mı-2.00 kg is hanging off the edge of a cliff, and m2-0.500 kg is resting on a flat plateau. a) What minimum coefficient of static friction between mi and the ground is b) If m,-1.00 kg, and μ.-0.200, what are the masses, accelerations? c While accelerating, what is the tension in the string? Q3) Two masses, mi -45.0 kg and m2-125 kg are sliding down a rough surface required to prevent...
An Atwood machine consists of two masses, mA= 63 kg and mB = 71 kg ,...
An Atwood machine consists of two masses, mA= 63 kg and mB = 71 kg , connected by a massless inelastic cord that passes over a pulley free to rotate (Figure 1). The pulley is a solid cylinder of radius R = 0.40 mm and mass 5.0 kg. [Hint: The tensions FTA and FTB are not equal.] Acceleration of each mass is 0.57 m/s2 What % error would be made if the moment of inertia of the pulley is ignored?...
Two masses mA 1.0 kg and m 12.0 kg are connected by a rope as shown...
Two
masses mA 1.0 kg and m 12.0 kg are connected by a rope as shown in
the figure. The coefficient of kinetic friction between each of the
masses is and the inclined plane is μk 0.25. Determine the
acceleration of the system.
Dos masas mA = 1.0 kg y m la figura. El coeficiente de fricción cinética entre cada una de las masas y el plano inclinado es με = 12.0 kg están conectadas por una cuerda según se...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius R. 0.311 m and mass 3.4 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. MA 25 m Part A If the system is now released, use conservation of energy to determine the speed of me just before it strikes the ground....
Review Two masses, ma = 34.0 kg and mg = 40.0 kg. are connected by a...
Review Two masses, ma = 34.0 kg and mg = 40.0 kg. are connected by a rope that hangs over a pulley (as in the figure (Figure 1). The center of the pulley is hollowed out so that you may assume all the mass of the pulley is in the rim. The radius of the pulley is 0.381 m and the mass of the pulley is 3.30 kg - Initially ma is on the ground and mg rests 2.40 m...
I"1 You have two masses, mA -4.0 kg, and me 2.0kg. The masses are connected by...
I"1 You have two masses, mA -4.0 kg, and me 2.0kg. The masses are connected by a wire, which passes over a massless, frictionless pulley. does not move Due to friction between the mass ma and the table, the system The coefficient of static friction between ma and the table is 0.75 The coefficient of kinetic friction between ma and the table is 0.60 Le 2 (a) Obtain the tension in the wire. (b) Obtain the frictional force between m,...
Two masses mA = 2 kg and mB = 1 kg are connected by a stnall pulley Mass maks on an inclined plane at angle e-π/4 radians, and mB is allowed to hang freely. (a) Suppose the string has length 10 m....
Two masses mA = 2 kg and mB = 1 kg are connected by a stnall pulley Mass maks on an inclined plane at angle e-π/4 radians, and mB is allowed to hang freely. (a) Suppose the string has length 10 m. Take a coordinate system in which the pulley is at the origin. What is the potential energy of the system as a function of the height of mass mg? (b) Find the acceleration of mass ma (either using...
3. An Atwood machine consists of two masses, mA 4.3 kg and mB 9.7 kg, connected by a cord that passes over a pulley free to rotate about a fixed axis. The pulley is a hoop of radius Ro 0.75 m and mass M-3.2 kg. mB Im If mB is initially h-2.4 m above the table and released from rest, with what speed will it hit the table? (Hint: Use energy considerations and note that mass ma will go up...
Two masses, mA = 34.0 kg and mB = 40.0 kg , are connected by a
rope that hangs over a pulley (as in the figure (Figure 1)). The
center of the pulley is hollowed out so that you may assume all the
mass of the pulley is in the rim. The radius of the pulley is 0.381
m and the mass of the pulley is 3.10 kg . Initially mA is on the
ground and mB rests 2.50 m...
Two masses, Ma= 35.0kg and Mb =
40.0 kg, are connected by a rope that hangs over a pulley (as in
the figure ). The pulley is a uniform cylinder of radius 0.381m and
mass 3.4kg . Initially Ma is on the ground and Mb rests 2.3m above
the ground.
If the system is released, use conservation of energy to determine
the speed of just before it strikes the ground. Assume the pulley
bearing is frictionless.
mi Q2) Two masses are attached by a rope; mı-2.00 kg is hanging off the edge of a cliff, and m2-0.500 kg is resting on a flat plateau. a) What minimum coefficient of static friction between mi and the ground is b) If m,-1.00 kg, and μ.-0.200, what are the masses, accelerations? c While accelerating, what is the tension in the string? Q3) Two masses, mi -45.0 kg and m2-125 kg are sliding down a rough surface required to prevent...
Two
masses mA 1.0 kg and m 12.0 kg are connected by a rope as shown in
the figure. The coefficient of kinetic friction between each of the
masses is and the inclined plane is μk 0.25. Determine the
acceleration of the system.
Dos masas mA = 1.0 kg y m la figura. El coeficiente de fricción cinética entre cada una de las masas y el plano inclinado es με = 12.0 kg están conectadas por una cuerda según se...
Two masses, mA = 29.0 kg and mg = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius R. 0.311 m and mass 3.4 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. MA 25 m Part A If the system is now released, use conservation of energy to determine the speed of me just before it strikes the ground....
Review Two masses, ma = 34.0 kg and mg = 40.0 kg. are connected by a rope that hangs over a pulley (as in the figure (Figure 1). The center of the pulley is hollowed out so that you may assume all the mass of the pulley is in the rim. The radius of the pulley is 0.381 m and the mass of the pulley is 3.30 kg - Initially ma is on the ground and mg rests 2.40 m...
I"1 You have two masses, mA -4.0 kg, and me 2.0kg. The masses are connected by a wire, which passes over a massless, frictionless pulley. does not move Due to friction between the mass ma and the table, the system The coefficient of static friction between ma and the table is 0.75 The coefficient of kinetic friction between ma and the table is 0.60 Le 2 (a) Obtain the tension in the wire. (b) Obtain the frictional force between m,...
Two masses mA = 2 kg and mB = 1 kg are connected by a stnall pulley Mass maks on an inclined plane at angle e-π/4 radians, and mB is allowed to hang freely. (a) Suppose the string has length 10 m. Take a coordinate system in which the pulley is at the origin. What is the potential energy of the system as a function of the height of mass mg? (b) Find the acceleration of mass ma (either using...
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