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2.) For the system shown to the right, determine: 0.1 kg-m R.18 m 0.25 kg-m? 5...
A 5 kg ball traveling to the right at 5 m/s collides with a 4 kg...
A 5 kg ball traveling to the right at 5 m/s collides with a 4 kg ball at rest. After the collision, the 4 kg ball is traveling to the right at 5.556 m/s. What is the velocity of the ball on the left after the collision? A motor spins a disk (Idisk = 24.4 kg*m2) with a torque of 39 N*m, and a 10 N frictional force acts on the disk at a radius of 2 m. Attached to...
/25 04 (25 marks) (a) A spool has a mass m 0.5 kg, radius r 0.1...
/25 04 (25 marks) (a) A spool has a mass m 0.5 kg, radius r 0.1 m, moment of inertia about the center of mass Ic-4m2 2.5 x 103 kgm2. The end of the string of the spool is held at the point H with the right hand as shown in Figure Q4(a). Initially, the spool is held with the left d and the system is at rest. Answer the following questions supposing that the spool is gently released from...
or the pulley system shown, ignore friction and air resistance. The pulley can be modeled as...
or the pulley system shown, ignore friction and air resistance.
The pulley can be modeled as a disk
M = 2 kg
m = 0.2 kg
R = 0.1 meters
a) What is the magnitude of the acceleration of the block, in
m/s2?
b) What is the magnitude of the angular acceleration of the
pulley, in rad/s2?
c) What is the magnitude of the torque exerted on the pulley, by
the tension in the rope, in N⋅m?
M G O...
A disk of m=5 kg and radius r=2 m starts from rest and rolls down a...
A disk of m=5 kg and radius r=2 m starts from rest and rolls down a 20 degree incline from an initial height of 50 m. What is the linear velocity of the disk as it reaches the bottom of the incline? What is the rotational kinetic energy of the disk at the halfway point between the positions 1 and 2? If it takes 1.2 seconds for the disk to reach the bottom of the incline, find the magnitude of...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with a very light rope (neglect its mass) over a pulley with mass M = 0.5 kg and radius R = 0.25 m and moment of inertial = 1/2 MR as shown in the drawing. The coefficient of kinetic friction between m, and the table, Pk = 0.4. Find a, the angular acceleration of the pulley.
A solid disk of mass m = 9.2 kg and radius R = 0.2 m is...
A solid disk of mass m = 9.2 kg and radius R = 0.2 m is rotating with a constant angular velocity of w = 38 rad/s. A thin rectangular rod with mass m2 = 3.7 kg and length L = 2R = 0.4 m begins at rest above the disk and is dropped on the disk where it begins to spin with the disk. 1) What is the initial angular momentum of the rod and disk system? kg-m2/s Submit...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with a very light rope (neglect its mass) over a pulley with mass M = 0.5 kg and radius R = 0.25 m and moment of inertia I = 1/2 MR as shown in the drawing. The coefficient of kinetic friction between mand the table, HK = 0.4. Find a, the angular acceleration of the pulley.
A large metal disk with mass M=5 kg and R= 3m starts from rest and is...
A large metal disk with mass M=5 kg and R= 3m starts from rest and is free to without friction about an axis passing through its center of mass point 0. perpendicular to the disk. 4 light engines providing a constant thrust force F=20 N, are connected to the circumforce of the disk in the orientation shown. dashed lines are tangent to the disk. Engines ignite at t=0. The moment of inertia of the disk about its center I disk=...
A ring (4 kg, r = 2 m) rotates in a CW direction with initial angular...
A ring (4 kg, r = 2 m) rotates in a CW direction with initial angular velocity 20 s-1. A disk (8 kg, r = 2 m) rotates in a CCW direction with initial angular velocity 60 s-1. The ring and disk "collide" and eventually rotate together. Assume that positive angular momentum and angular velocity values correspond to rotation in the CCW direction. What is the initial angular momentum Li of the ring+disk system? What is the final angular velocity...
A disk with mass m = 8.8 kg and radius R = 0.36 m begins at...
A disk with mass m = 8.8 kg and radius R = 0.36 m begins at rest and accelerates uniformly for t = 16.5 s, to a final angular speed of ω = 31 rad/s. 1) What is the change in rotational energy of the disk? 2) What is the tangential component of the acceleration of a point on the rim of the disk when the disk has accelerated to half its final angular speed? 3) What is the magnitude...
/25 04 (25 marks) (a) A spool has a mass m 0.5 kg, radius r 0.1 m, moment of inertia about the center of mass Ic-4m2 2.5 x 103 kgm2. The end of the string of the spool is held at the point H with the right hand as shown in Figure Q4(a). Initially, the spool is held with the left d and the system is at rest. Answer the following questions supposing that the spool is gently released from...
or the pulley system shown, ignore friction and air resistance.
The pulley can be modeled as a disk
M = 2 kg
m = 0.2 kg
R = 0.1 meters
a) What is the magnitude of the acceleration of the block, in
m/s2?
b) What is the magnitude of the angular acceleration of the
pulley, in rad/s2?
c) What is the magnitude of the torque exerted on the pulley, by
the tension in the rope, in N⋅m?
M G O...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with a very light rope (neglect its mass) over a pulley with mass M = 0.5 kg and radius R = 0.25 m and moment of inertial = 1/2 MR as shown in the drawing. The coefficient of kinetic friction between m, and the table, Pk = 0.4. Find a, the angular acceleration of the pulley.
A solid disk of mass m = 9.2 kg and radius R = 0.2 m is rotating with a constant angular velocity of w = 38 rad/s. A thin rectangular rod with mass m2 = 3.7 kg and length L = 2R = 0.4 m begins at rest above the disk and is dropped on the disk where it begins to spin with the disk. 1) What is the initial angular momentum of the rod and disk system? kg-m2/s Submit...
m2 m1 Two blocks, m, = 1.0 kg and m2 = 0.25 kg, are connected with a very light rope (neglect its mass) over a pulley with mass M = 0.5 kg and radius R = 0.25 m and moment of inertia I = 1/2 MR as shown in the drawing. The coefficient of kinetic friction between mand the table, HK = 0.4. Find a, the angular acceleration of the pulley.
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