A potter's wheel moves uniformly from rest to an angular velocity of 1.00 rev/s in 30.0 s. (a) Find its angular acceleration in radians per second per second. (b) Would doubling the angular acceleration during the given period have doubled final angular velocity?

In the figure, wheel A of radiusrA = 13.9 cm is coupled by belt B to wheel C of radius rc = 24.4 cm. The angular speed of wheel A is increased from rest at a constant rate of 1.45 rad/s². Find the time needed for wheel C to reach an angular speed of 50.5 rev/min, assuming the belt does not slip. (Hint: If the belt does not slip, the linear speeds at the two rims must be equal.) Number i Units

The flywheel of a steam engine runs with a constant angular velocity of 132 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 1.40 h. (a) What is the constant angular acceleration, in revolutions per minute-squared, of the wheel during the slowdown? (b) How many revolutions does the wheel make before stopping? (c) At the instant the flywheel is turning at 66.0 rev/min, what is the tangential component of the linear acceleration of a flywheel particle that is 42.7 cm from the axis of rotation? (d) What is the magnitude of the net linear acceleration of the particle in (c)?

A potter's wheel moves uniformly from rest to an angular speed of 0.17 rev/s in 32.0 s. (a) Find its angular acceleration in radians per second per second. rad/s2 (b) Would doubling the angular acceleration during the given period have doubled final angular speed? O Yes O No

A flywheel with a diameter of 0.611 m is rotating at an angular speed of 287 rev/min. (a) What is the angular speed of the flywheel in radians per second? |(b) What is the linear speed of a point on the rim of the flywheel? (c) What constant angular acceleration (in revolutions per minute-squared) will increase the wheel's angular speed to 556 rev/min in 149 s? (d) How many revolutions does the wheel make during that 149 s? (a) Number Units (b) Number Units (c) Number Units (d) Number Units

A wheel starts from rest and uniformly increases angular speed to 0.21 rev/s in 27 s. (a) What is its angular acceleration in radians per second per second? |rad/s² (b) Would doubling the angular acceleration during the given period have doubled final angular speed? Yes O No

A potter's wheel moves uniformly from rest to an angular speed of 0.18 rev/s in 25.0 s. (a) Find its angular acceleration in radians per second per second. rad/s2 (b) Would doubling the angular acceleration during the given period have doubled final angular speed? Yes O No

A car initially traveling at 24.2 m/s undergoes a constant negative acceleration of magnitude 2.10 m/s? after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires have radii of 0.325 m? 69.4 rev (b) What is the angular speed of the wheels when the car has traveled half the total distance? Your response differs from the correct answer by more than 10%. Double check your calculations. rad/s Need Help? Read It

The angular velocity of a rotating rigid body increases from 500 to 1500 rev/min in 120 s. (a) What is the angular acceleration of the body? (b) Through what angle does it turn in this 120 s?

A wheel’s angular acceleration is constant. Initially its angular velocity is zero. During the first 1.0-s time interval, it rotates through an angle of 90.0°. (a) Through what angle does it rotate during the next 1.0-s time interval? (b) Through what angle during the third 1.0-s time interval?