In the figure, point P is on the rim of a wheel of radius 2.0 m. At time t= 0, the wheel is at rest, and P is on the x-axis. The wheel undergoes a uniform counterclockwise angular acceleration of 0.010 rad/s2 about the center O.
(a) what is the tangential acceleration of P?
(b) What is the linear speed of P when it reaches the y-axis for the second time (hint, solve the angular speed first)?
(d) How long after starting does it take for P to return to its original position on the x-axis for the first time?
In the figure, point P is on the rim of a wheel of radius 2.0 m. At time t= 0, the wheel is at rest, and P is on the x-axis.
At a time t = 3.50 s , a point on the rim of a wheel with a radius of 0.190 m has a tangential speed of 47.0 m/s as the wheel slows down with a tangential acceleration of constant magnitude 10.1 m/s2 1. Calculate the wheel's constant angular acceleration. 2.Calculate the angular velocity at t = 3.50 s . 3.Calculate the angular velocity at t=0 4.Through what angle did the wheel turn between t=0 and t = 3.50 s...
A wheel 1 m in radius starts rotating from rest with a constant angular acceleration of 4 rad/s2 At t = 2 s find: a) the angular speed of the wheel; b) the tangential speed of the wheel at the rim; c) the centripetal and tangential acceleration of the wheel at the rim; d) the angular displacement.
A 39.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t 2.30 s. rad/s 2.30 s (b) Find the linear velocity and tangential acceleration of P at t...
A wheel (radius = 0.20 m) starts from rest and rotates with a constant angular acceleration of 2.0 rad/s2. At the instant when the angular velocity is equal to 1.2 rad/s, what is the magnitude of the total linear acceleration (in m/s2) of a point on the rim of the wheel? 0.29 0.4 0.49 0.69
At a time t 2.90 s, a point on the rim of a wheel with a radius of 0.240 m has a tangential speed of 50.0 m/s as the wheel slows down with a tangential acceleration of constant magnitude 10.2 m/s2. Part A Calculate the wheel's constant angular acceleration Part B Calculate the angular velocity at t 2.90 s Part C 0. Calculate the angular velocity at t =0 Part D Through what angle did the wheel turn between t = 0 and t...
A wheel 2.50 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 3.55 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on the rim makes an angle of 57.3° with the horizontal at this time. At t = 2.00 s, find the following. (a) the angular speed of the wheel 7.1 rad/s (b) the tangential speed of the point P (c)...
A 40.0-cm diameter disk rotates with a constant angular acceleration of 2.70 rad/s2. It starts from rest at t 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) At t 2.50 s, find the angular speed of the wheel. rad/s (b) At t 2.50 s, find the magnitude of the linear velocity and tangential acceleration...
A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t = 2.30 s. rad/s (b) Find the linear velocity and tangential acceleration of P at t =...
A 41.0-cm diameter disk rotates with a constant angular acceleration of 2.80 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) At t = 2.50 s, find the angular speed of the wheel. ______??____rad/s (b) At t = 2.50 s, find the magnitude of the linear velocity...
A wheel 2.30 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.50 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on the rim makes an angle of 57.3° with the horizontal at this time. At t = 2.00 s, find the following. (a) the angular speed of the wheel rad/s (b) the tangential speed of the point...