What is the average torque due to friction in the axle

Assignment Help Physics

Reference no: EM13552492

A student of mass m = 49 kg wants to measure the mass of a playground merry-go-round, which consists of a solid metal disk of radius R = 1.5 m that is mounted in a horizontal position on a low-friction axle. She tries an experiment: She runs with speed v = 6.5 m/s toward the outer rim of the merry-go-round and jumps on to the outer rim, as shown in the figure. The merry-go-round is initially at rest before the student jumps on and rotates at 1.3 rad/s immediately after she jumps on. You may assume that the student's mass is concentrated at a point. If it takes 36 s for the merry-go-round to come to a stop after the student has jumped on, what is the average torque due to friction in the axle?

Reference no: EM13552492

Questions Cloud

Speed of the ball when the goalie catches it in front of net : A soccer player kicks the ball toward a goal that is 37.0 m in front of him. The ball leaves his foot at a speed of 28.8 m/s and an angle of 76.4 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.

Compliance with international trade laws important : You have been asked to study the issues involved in getting your company totally in compliance with international rules and regulations governing overseas trade. Why is compliance with international trade laws important?

Coefficient of kinetic friction between the crate and floor : A factory worker pushes a 28.7 crate a distance of 4.9 along a level floor at constant velocity by pushing downward at an angle of 29 below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.26 What magnitude of forc..

Which country or countries is schizophrenic a resident : Which country or countries is Schizophrenic a resident Why?

What is the average torque due to friction in the axle : A sudent of mass m = 49 kg wants to measure the mass of a playground merry-go-round, which consists of a solid metal disk of radius R = 1.5 m that is mounted in a horizontal position on a low-friction axle. She tries an experiment:

Lowest energy of photon emitted due to transition of nucleon : Inside of a nucleus nucleons (protons and neutrons) are confined within dimensions of 15x10-15m. Treating nucleons are particles in an infinite well, calculate the lowest energy of a photon emitted due to transition of nucleons between nuclear energy..

The federal debt reduction commission recently recommended : The Federal Debt Reduction Commission recently recommended

Whose individual momenta are not conserved : Can a system whose momentum is conserved be made up of smaller systems whose individual momenta are not conserved? Explain why or why not and give an example.

Find the volume occupied by the liquid at the initial state : A 0.5 m3 rigid vessel initially contains saturated liquid-vapor mixture of water at 100deg C. The water is now heated until it reaches the Critical state. Determine the mass of the liquid water by determining the quality factor at the initial sta..

User Account

All Pages