Magnitude of the average torque due to frictional forces
A bicycle wheel, of radius 0.34 m and mass 3 kg (concentrated on the rim), is rotating at 4.14 rev/s. After 45 s the wheel comes to a stop because of friction. What is the magnitude of the average torque due to frictional forces?
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Determine the amount of heat per unit mass leaving the condenser. Find the quality at the entrance to the condenser. Calculate the net work output. Find the thermal efficiency of the cycle.
An object has a kinetic energy of 312 J and a momentum of magnitude 21.8 kg⋅m/s. Find the speed and the mass of the object.
Develop the explicit finite difference formulation for this wall for the case of no heat generation but with the indicated solar flux.
If the initial concentration of chlorine is 0.030 M and of bromine monochloride is0.020 M, what is the equilibrium concentration of bromine?
If the turbine has an isentropic efficiency of 60%, determine the work out of the turbine and the exit temperature of the fluid and quality if applicable.
The half-life of oxygen -15 is 124 seconds. If a sample of oxygen-15 has an activity of 4000 becquerels, how many minutes will elapse before it reaches an activity of 500 becquerels?
Assume constants m=.001kg, Cv=.8, k=1.4, T1=300K, and T3=2000K. Plot work as a function of compression ratio r and determine the r that yields maximum work.
A 3.00 g sample of a mixture contains copper and zinc. Zinc reacts with HCl according to the equation show below, but copper does notreact with HCl.
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