A grinding wheel is in the form of uniform solid disk of radius 7.00 cm and mass 2.00 kg (I=1/2(mr^2)). It starts from rest and rotates with constant angular acceleration of 12.0 rad/sec^2.
A) How long does the wheel take to reach its final operating speed of 1200 rev/min?
B) Through how many revolutions does it turn while accelerating?
C) calculate the rotational kinetic energy of the wheel at its operating speed.
A grinding wheel is in the form of uniform solid disk of radius 7.00 cm and...
A grinding wheel is in the form of a uniform solid disk of radius 6.93 cm and mass 2.02 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.597 N · m that the motor exerts on the wheel. How long does the wheel take to reach its final operating speed of 1300 rev/min? Through how many revolutions does it turn while accelerating?
A grinding wheel is in the form of a uniform solid disk of radius 6.98 cm and mass 2.04 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.599 N · m that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 230 rev/min? (b) Through how many revolutions does it turn while accelerating?
A grinding wheel is in the form of a uniform solid disk of radius 6.93 cm and mass 1.90 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.604 N · m that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 120 rev/min? (b) Through how many revolutions does it turn while accelerating?
Circle answers please A grinding wheel is in the form of a uniform solid disk of radius 7.08 cm and mass 1.90 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.599 N m that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 130 rev/min? S (b) Through how many revolutions does it turn while accelerating? rev
A grinding wheel in the form of a uniform solid disk of radius 6 cm and mass 1.2 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.879 N*m. (a) How long does it take the wheel to reach its operating speed of 1200 rev/min? (b) How many full rotations does it make before coming to its operating speed?
a. A rotating wheel requires 7.00 s to rotate 25.0 revolutions. Its angular velocity at the end of the 7.00 s interval is 97.0 rad/s. What is the constant angular acceleration of the wheel? b. A machine part rotates at an angular speed of 0.52 rad/s; its speed is then increased to 3.2 rad/s at an angular acceleration of 0.52 rad/s2. Find the angle through which the part rotates before reaching this final speed. c. A dentist's drill starts from...
A wheel of radius RA = 10 cm is coupled by a belt to a wheel of radius RB-25 cm, as shown. Wheel A increases its angular speed from rest at a constant rate of T/2 rad/s? How long does it take wheel B to reach a rotational speed of 150 rev/s, assuming the belt does not slip?
Example 7.2 A Rotating Wheel Goal Apply the rotational kinematic equations. Problem A wheel rotates with a constant angular acceleration of 3.20 rad/s2. Assume the angular speed of the wheel is 1.75 rad/s at t = 0. (a) Through what angle does the wheel rotate between t = 0 and t = 2.00 s? Give your answer in radians and revolutions. (b) What is the angular speed of the wheel at t = 2.00 s? Strategy The angular acceleration is...
Example 7.2 A Rotating Wheel Goal Apply the rotational kinematic equations. Problem A wheel rotates with a constant angular acceleration of 3.45 rad/s. Assume the angular speed of the wheel is 2.15 rad/s at t; = 0. (a) Through what angle does the wheel rotate between t = 0 and t = 2.00 s? Give your answer in radians and revolutions. (b) What is the angular speed of the wheel at t = 2.00 s? Strategy The angular acceleration is...
Example 7.2 A Rotating Wheel Goal Apply the rotational kinematic equations. Problem A wheel rotates with a constant angular acceleration of 3.45 rad/s. Assume the angular speed of the wheel is 2.15 rad/s at t; = 0. (a) Through what angle does the wheel rotate between t = 0 and t = 2.00 s? Give your answer in radians and revolutions. (b) What is the angular speed of the wheel at t = 2.00 s? Strategy The angular acceleration is...