A platform rotating at 6.0 rad/sec slows down with constant angular acceleration and stops after 25s, what is the angular displacement of the platform?
The answer is 30 radians but I keep getting a different answer.
A platform rotating at 6.0 rad/sec slows down with constant angular acceleration and stops after 25s,...
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. At a point on the platform that is 1.96 m from the axis of rotation, what is the magnitude of the total acceleration a?
A disk, initially rotating at 124. rad/s, is quickly slowed down with a constant angular acceleration of magnitude 4.18 rad/s2. (a) How much time elapses before the disk stops? s (b) Through what angle does the disk rotate in coming to rest? rad Thanks!
A record turntable rotating at 33 1/3 rev/min slows down and stops in 45 s after the motor is turned off. (a) Find its (constant) angular acceleration in revolutions per minute-squared. rev/min2 (b) How many revolutions does it make in this time? rev
A wheel turning at a rate of 24 rad/sec stops after rotating 6 radians. How long did it take to stop?
A diver leaves the springboard with an initial angular velocity of 4.1 rad/sec and a constant angular acceleration of -0.25 rad/sec^2. How long will it take for her to complete 1.5 revolutions, assuming her initial angular displacement is 0 radians?
10. A body rotating at the angular speed of 20 rad/s slows down to an angular spee seconds. What is the average angular acceleration? 11. A body is rotating with an angular acceleration of 2 rad/s What is the linear acceleration of a point in this body that is 2.1 m from the axis of rotation? 12. Two masses, each of mass M, are separated by a distance D. a) what is the moment of inertia, if the axis of...
A disk, initially rotating at 123 rad/s, is slowed down with a constant angular acceleration of magnitude 3.96 rad/s2. (a) How much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
A disk, initially rotating at 118 rad/s, is slowed down with a constant angular acceleration of magnitude 3.94 rad/s2. A) How much time does the disk take to stop? B) Through what angle does the disk rotate during that time?
A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.35π rad/s2 about a fixed axis perpendicular to its plane and through its center. Assume the fan starts from rest. (a) What is the angular velocity of the fan after 4.6 s? (Enter the magnitude.) rad/s (b) What is the angular displacement of the fan after 4.6 s? (Enter the magnitude.) rad (c) How many revolutions has the fan gone through in 4.6 s?
A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.20π rad/s2 about a fixed axis perpendicular to its plane and through its center. Assume the fan starts from rest. (a) What is the angular velocity of the fan after 5.0 s? (Enter the magnitude.) rad/s (b) What is the angular displacement of the fan after 5.0 s? (Enter the magnitude.) rad (c) How many revolutions has the fan gone through in 5.0 s? rev