Homework Answers
Answer :
Angular acceleration = 25 rad/s2
Explanation :
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Question 6 Calculate the angular acceleration of a cylindrical drum mounted on a shaft through its...
The moment of inertia of the human body about an axis through its center of mass is important in the application of bio...
The moment of inertia of the human body about an axis through
its center of mass is important in the application of biomechanics
to sports such as diving and gymnastics. We can measure the body's
moment of inertia in a particular position while a person remains
in that position on a horizontal turntable, with the bodys center
of mass on the turntable's rotational axis. The turntable with the
person on it is then accelerated from rest by a torque that...
please show all lines of working thanks in advance 20.15 Rotation of a small drum of...
please show all lines of working
thanks in advance
20.15 Rotation of a small drum of mass moment of inertia 0.44 kg.m" and with frictional resistance torque 0.3 N.m is initiated by a string wound around its 20 mm diameter shaft and attached to a stretched spring, as shown in Figure 20.7. If the spring, which has a stiffness 2 N/mm, is initially stretched by 120 mm before the drum is released from rest, determine the maximum angular velocity, in...
A wheel is turning about an axis through its center with constant angular acceleration. Starting from...
A wheel is turning about an axis through its center with constant angular acceleration. Starting from rest, at t=0, the wheel turns through 9.00 revolutions in t= 14.0 s . At 14.0 s the kinetic energy of the wheel is 35.5 J . For an axis through its center, what is the moment of inertia of the wheel?
Part A A wheel is turning about an axis through its center with constant angular acceleration....
Part A A wheel is turning about an axis through its center with constant angular acceleration. Starting from rest, the wheel turns through n revolutions in time t, At time t the kinetic energy of the wheel is K For an axis through its center, what is the expression for the moment of inertia of the wheel in terms of given quantities? Submit My Answers Give Up
Question 14 In Figure (a), a metal plate is mounted on an axle through its center...
Question 14 In Figure (a), a metal plate is mounted on an axle through its center of mass. A spring with k = 2600 N/m connects a wall with a point on the rim a distance r = 4.00 cm from the center of mass. Initially the spring is at its rest length. If the plate is rotated by 7º and released, it rotates about the axle in SHM, with its angular position given by Figure (b).The horizontal axis scale...
A one-piece cylinder is shaped as shown in the figure, with a core section protruding from the larger drum
Problem 5: Torque A one-piece cylinder is shaped as shown in the figure, with a core section protruding from the larger drum. The inner cylinder has a mass of 3 kg and the outer cylinder has a mass of 8 kg. The cylinder is free to rotate about the central axis shown in the drawing A rope wrapped around the drum, which has radius R1 = 0.3 m, exerts a force T1 = 50 N to the right on the cylinder....
Question 14 In Figure (a), a metal plate is mounted on an axle through its center...
Question 14 In Figure (a), a metal plate is mounted on an axle through its center of mass. A spring with k = 2600 N/m connects a wall with a point on the rim a distance r = 4.00 cm from the center of mass. Initially the spring is at its rest length. If the plate is rotated by 7° and released, it rotates about the axle in SHM, with its angular position given by Figure (b). The horizontal axis...
Question 4. A top-load washing machine has clothes distributed evenly abo the center of a drum...
Question 4. A top-load washing machine has clothes distributed evenly abo the center of a drum initially at rest, and has a moment-of-inertia of 2.5 kg electric motor delivers constant pou envers constant power as the angular speed follows the equation. (18 points) w = 2012 a. Calculate the angular acceleration after 1 second. b. Calculate the torque after 1 second. C. Calculate the average power provided by the motor over this po
6.) A clay vase on a potter's wheel experiences an angular acceleration of 7.90 rad/s2 due...
6.) A clay vase on a potter's wheel experiences an angular acceleration of 7.90 rad/s2 due to the application of a 10.9-N · m net torque. Find the total moment of inertia of the vase and potter's wheel.
A cylindrical flywheel ( 10 kg-m' about its axis of symmetry) is initially stationary and subjected...
A cylindrical flywheel ( 10 kg-m' about its axis of symmetry) is initially stationary and subjected to a constant torque τ. Assuming the flywheel's internal friction may be modeled as a viscous damping moment defined by the coefficient c 20 N-m-s/rad: 1 (a) Calculate θ in terms of τ (b) Calculate the constant torque τ required to drive this flywheel to an angular velocity θ = 10 rad/sec in 4 seconds. (c) Calculate the angle θ of the flywheel after...
The moment of inertia of the human body about an axis through
its center of mass is important in the application of biomechanics
to sports such as diving and gymnastics. We can measure the body's
moment of inertia in a particular position while a person remains
in that position on a horizontal turntable, with the bodys center
of mass on the turntable's rotational axis. The turntable with the
person on it is then accelerated from rest by a torque that...
please show all lines of working
thanks in advance
20.15 Rotation of a small drum of mass moment of inertia 0.44 kg.m" and with frictional resistance torque 0.3 N.m is initiated by a string wound around its 20 mm diameter shaft and attached to a stretched spring, as shown in Figure 20.7. If the spring, which has a stiffness 2 N/mm, is initially stretched by 120 mm before the drum is released from rest, determine the maximum angular velocity, in...
Part A A wheel is turning about an axis through its center with constant angular acceleration. Starting from rest, the wheel turns through n revolutions in time t, At time t the kinetic energy of the wheel is K For an axis through its center, what is the expression for the moment of inertia of the wheel in terms of given quantities? Submit My Answers Give Up
Question 14 In Figure (a), a metal plate is mounted on an axle through its center of mass. A spring with k = 2600 N/m connects a wall with a point on the rim a distance r = 4.00 cm from the center of mass. Initially the spring is at its rest length. If the plate is rotated by 7º and released, it rotates about the axle in SHM, with its angular position given by Figure (b).The horizontal axis scale...
Question 14 In Figure (a), a metal plate is mounted on an axle through its center of mass. A spring with k = 2600 N/m connects a wall with a point on the rim a distance r = 4.00 cm from the center of mass. Initially the spring is at its rest length. If the plate is rotated by 7° and released, it rotates about the axle in SHM, with its angular position given by Figure (b). The horizontal axis...
Question 4. A top-load washing machine has clothes distributed evenly abo the center of a drum initially at rest, and has a moment-of-inertia of 2.5 kg electric motor delivers constant pou envers constant power as the angular speed follows the equation. (18 points) w = 2012 a. Calculate the angular acceleration after 1 second. b. Calculate the torque after 1 second. C. Calculate the average power provided by the motor over this po
A cylindrical flywheel ( 10 kg-m' about its axis of symmetry) is initially stationary and subjected to a constant torque τ. Assuming the flywheel's internal friction may be modeled as a viscous damping moment defined by the coefficient c 20 N-m-s/rad: 1 (a) Calculate θ in terms of τ (b) Calculate the constant torque τ required to drive this flywheel to an angular velocity θ = 10 rad/sec in 4 seconds. (c) Calculate the angle θ of the flywheel after...
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