The angular momentum of a flywheel having a rotational inertia of 0.150 kg·m2 about its axis...
The angular momentum of a flywheel having a rotational inertia of 0.150 kg·m2 about its axis decreases from 3.40 to 1.400 kg·m2/s in 0.90 s.
(a) What is the average torque acting on the flywheel about its
central axis during this period?
N·m
(b) Assuming a uniform angular acceleration, through what angle
will the flywheel have turned?
rad
(c) How much work was done on the wheel?
J
(d) What is the average power of the flywheel?
W
Homework Answers
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The angular momentum of a flywheel having a rotational inertia
of 0.150 kg·m2 about its axis...
10. The angular momentum of a flywheel having a rotational inertia of 0.140 kg m2 about...
10. The angular momentum of a flywheel having a rotational inertia of 0.140 kg m2 about its central axis decreases from 3.00 to 0.800 kg m'/s in 1.50 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the average power of the flywheel?...
please help ASAP The angular momentum of a flywheel having a rotational inertia of 0.848 kg.mabout...
please help ASAP
The angular momentum of a flywheel having a rotational inertia of 0.848 kg.mabout its central axis decreases from 3.00 to 0.870 kg.m/s in 4.20 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the magnitude of the average power done...
The answers are in the square brackets but I’m not too sure how to solve for...
The answers are in the square brackets but I’m not too
sure how to solve for it.
2) The angular momentum of a flywheel having a rotational inertia of 0.14 kg m2 about its axis decreases from 3.0 to 0.8 kgm'/s in 1.5s. (a) What is the average torque acting on the flywheel about its central axis during this period? [-1.47 Nm ] (b) Assuming a uniform angular acceleration, through what angle will the flywheel have turned? [ 20.4 rad...
Match the units with the rotational quantity: Moment of inertia Angular acceleration Torque Rotational kinetic energy...
Match the units with the rotational quantity: Moment of inertia Angular acceleration Torque Rotational kinetic energy Angular Momentum a. kg·m2/s b. J c. N·m d. kg m2 e. rad s-2
1a. 1b. A disk with a rotational inertia of 1.20 kg·m2 rotates like a merry-go-round while...
1a.
1b. A disk with a rotational inertia of 1.20 kg·m2
rotates like a merry-go-round while undergoing a torque given by
τ = (4.01 + 2.79t) N · m. At time t =
1.00 s, its angular momentum is 3.53 kg·m2/s. What is
its angular momentum at t = 3.00 s?
In the figure here, three particles of mass m = 0.013 kg are fastened to three rods of length d = 0.13 m and negligible mass. The rigid assembly...
A disk with a rotational inertia of 1.92 kg·m2 rotates like a merry-go-round while undergoing a...
A disk with a rotational inertia of 1.92 kg·m2 rotates like a merry-go-round while undergoing a torque given by τ = (1.47 + 6.39t) N · m. At time t = 1.00 s, its angular momentum is 2.57 kg·m2/s. What is its angular momentum at t = 3.00 s?
[20 pts) An orbiting Cubesat has an angular moment of inertia about the longitudinal axis of...
[20 pts) An orbiting Cubesat has an angular moment of inertia about the longitudinal axis of 0.25 kg.m2 and an initial rotation rate of 0 rad/s. a. If a reaction wheel assembly produces a torque about the longitudinal axis of 0.125 N·m for 4 seconds, what is the final rotation rate of the Cubesat? Express the result in rad/s and rpm. b. How much work was done to by the reaction wheel system?
1. The pulley has a radius of 2.70 m and a moment of inertia of 39.0...
1. The pulley has a radius of 2.70 m and a moment of inertia of 39.0 kg·m2. The hanging mass is 4.20 kg and it exerts a force tangent to the edge of the pulley. What is the angular acceleration of the pulley? (answer needed in rad/s^2 2. A string is wound tight around the spindle of a top, and then pulled to spin the top. While it is pulled, the string exerts a constant torque of 0.150 N·m on...
A pulley, with a rotational inertia of 9.4 × 10-3 kg·m2 about its axle and a...
A pulley, with a rotational inertia of 9.4 × 10-3 kg·m2 about its axle and a radius of 6.0 cm, is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F = 0.70t + 0.30t2, with F in newtons and t in seconds. The pulley is initially at rest. At t = 3.3 s what are (a) its angular acceleration and (b) its angular speed?
A pulley, with a rotational inertia of 7.6 × 10-3 kg·m2 about its axle and a...
A pulley, with a rotational inertia of 7.6 × 10-3
kg·m2 about its axle and a radius of 9.3 cm, is acted on
by a force applied tangentially at its rim. The force magnitude
varies in time as F= 0.60t +
0.30t2, with F in newtons and
t in seconds. The pulley is initially at rest. At
t = 1.0 s what are (a) its angular
acceleration and (b) its angular speed?
Question 3 A pulley, with a rotational inertia...
10. The angular momentum of a flywheel having a rotational inertia of 0.140 kg m2 about its central axis decreases from 3.00 to 0.800 kg m'/s in 1.50 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the average power of the flywheel?...
please help ASAP
The angular momentum of a flywheel having a rotational inertia of 0.848 kg.mabout its central axis decreases from 3.00 to 0.870 kg.m/s in 4.20 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the magnitude of the average power done...
The answers are in the square brackets but I’m not too
sure how to solve for it.
2) The angular momentum of a flywheel having a rotational inertia of 0.14 kg m2 about its axis decreases from 3.0 to 0.8 kgm'/s in 1.5s. (a) What is the average torque acting on the flywheel about its central axis during this period? [-1.47 Nm ] (b) Assuming a uniform angular acceleration, through what angle will the flywheel have turned? [ 20.4 rad...
1a.
1b. A disk with a rotational inertia of 1.20 kg·m2
rotates like a merry-go-round while undergoing a torque given by
τ = (4.01 + 2.79t) N · m. At time t =
1.00 s, its angular momentum is 3.53 kg·m2/s. What is
its angular momentum at t = 3.00 s?
In the figure here, three particles of mass m = 0.013 kg are fastened to three rods of length d = 0.13 m and negligible mass. The rigid assembly...
[20 pts) An orbiting Cubesat has an angular moment of inertia about the longitudinal axis of 0.25 kg.m2 and an initial rotation rate of 0 rad/s. a. If a reaction wheel assembly produces a torque about the longitudinal axis of 0.125 N·m for 4 seconds, what is the final rotation rate of the Cubesat? Express the result in rad/s and rpm. b. How much work was done to by the reaction wheel system?
A pulley, with a rotational inertia of 7.6 × 10-3
kg·m2 about its axle and a radius of 9.3 cm, is acted on
by a force applied tangentially at its rim. The force magnitude
varies in time as F= 0.60t +
0.30t2, with F in newtons and
t in seconds. The pulley is initially at rest. At
t = 1.0 s what are (a) its angular
acceleration and (b) its angular speed?
Question 3 A pulley, with a rotational inertia...
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