Determine the average torque exerted on the wheel

Reference no: EM13672559

A wheel on a game show is given an initial angular speed of 1.22 rad/s. It comes to rest after rotating through 3/4 of a turn.

(a) Determine the average torque exerted on the wheel given that it is a disk of radius 0.66 meter and mass 6.4 kilogram.

N•m

(b) If the mass of the wheel is halved and its radius is doubled, will the angle through which it rotates before coming to rest increase, decrease, or stay the same?

increase

decrease

stay the same

Reference no: EM13672559

Questions Cloud

Obtain what the magnitude of the total torque on meter stick : A meter stick is initially at rest in a horizontal position. It is free to rotate about the 50 centimeter point. Obtain the magnitude of the total torque on meter stick

Obtain the constant acceleration of the wheel : A rotating wheel requires 5.0 second to complete 50 revolutions. Its angular speed at the end of the 5.0 second interval is 75 rad/s. Determine the constant acceleration of the wheel

Evaluate what cross-sectional area should the cable have : A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 2.2 x 106 Newton. Evaluate what cross-sectional area should the cable have if it's to be made of steel

Explore and discuss the issue of the continuing relevance : Explore and discuss the issue of the continuing relevance of the Crusades.

Determine the average torque exerted on the wheel : A wheel on a game show is given an initial angular speed of 1.22 rad/s. Determine the average torque exerted on the wheel given that it is a disk of radius 0.66 meter and mass 6.4 kilogram

Determine the wheels angular velocity at given time : A grindstone of mass, 30 kilogram and radius 20 centimeter, starts rotating from rest and has a constant angular acceleration of 0.40 rad/s2. Determine the wheels angular velocity at t = 15 sec

Determine how long was the bomb in the air : An airplane has a speed of 250 km/hr and is climbing at an angle of 30o above the horizontal when it drops bomb. Determine how long was the bomb in the air

Evaluate what is the self-inductance of the coil : The current in a coil changes from 3.7 Amp to 2.2 Amp in 0.51 second. If the average emf induced in the coil is14 mV, evaluate what is the self-inductance of the coil

Estimate how long this trip will take : A fully loaded semi-truck has a weight of 80,000 pounds. Let's take a theoretical truck and replace its engine with a 5.0HP engine and a suitable gear box to allow the engine to produce its rated power continuously. Estimate how long this trip wil..

User Account

All Pages