A constant torque of 30 N-m acts on a 5 kg flywheel whose moment of inertia is 2 kg-m^2. If the wheel starts from rest, after 10 seconds it will have a rotational kinetic energy of
9 kJ
23 kJ
56 kJ
45 kJ
A constant torque of 30 N-m acts on a 5 kg flywheel whose moment of inertia...
A flywheel has a moment of inertia of 0.015 kg m?. a How much torque do you need to create an angular acceleration of 3 rad/s“ ? b With this torque, what would the angular speed be after 6 seconds? C What would the angular momentum be after 6 seconds? d What would the kinetic energy of rotation be after 6 seconds?
Question 16 (6 points) A 75-N-m torque acts on a wheel with a moment of inertia 275 kg•m². If the wheel starts from rest, how long will it take the wheel to make two (2) revolutions? a) 6.8 s b) 5.8 s c) 7.2 s O d) 9.65 e) 2.4 s
A solid cylinder has a moment of inertia of 0.08 kg- m^2. A torque of 5.0 N-m is applied to the disk so it begins to spin on an axis going through its center( assume the disk was originally at rest). what is the angular acceleration of the disk? What is the rotational kinetic energy of the disk after 2 seconds?
The flywheel of an engine has a moment of inertia 3.00 kg m^2 about its rotation axis. What constant torque is required to bring it up to an angular speed of 370 rev/min in a time of 7.60 s, starting from rest? N?m What is its final kinetic energy? J
Question 16 . 6pts A 196- Nm torque acts on a wheel with a moment of inertia 175 kg. m2. If the wheel starts from rest, how many seconds will it take the wheel to make one revolution?
5. The flywheel of an engine has moment of inertia 2.50 kg m2 about its rotation axis. What constant torque is required to bring it up to an angular speed of 400 rev/min in 8.00s, starting from rest? ANS: 13.1 N m
A flywheel with mass moment of inertia of 18 kg m^2 rotates at 370 RPM, the speed of the flywheel is then increased by 30 RPM. Determine the change in its kinetic energy.
A wheel of moment of inertia of 3.00 kg.m2 starts from rest and accelerates under a constant torque of 3.00 N.m for 4.00 s. The wheel's rotational kinetic energy at the end of 4.00 s is = A wheel starts at rest, and has an angular acceleration of 4 rad/s2. After 4.0 s it will have an angular velocity of ? rad/s A wheel starts at rest, and has an angular acceleration of 3.5 rad/s2. After 2.0 s it will have...
[Use g = 10 m/s^2] A non-uniform wheel of mass 5 kg and moment of inertia 1/3 mR^2 is set on an incline whose height is h = 4 meters and length is L = 20 meters. The wheel is released from rest at the top of the incline and rolls without slipping to the bottom. What is the wheel's translational kinetic energy at the bottom of the incline? What is the wheel's rotational kinetic energy at the bottom of...
A potter's wheel with a moment of inertia of 8.0kg-m^2 has 5.0 N-m applied to it. It starts from rest. 10. seconds later it has gained what kinetic energy? (The answer is 78J, but I don't know how to arrive at the answer.)