A 250g 25-cm-diameter plastic disk is spun on an axle
A 250g , 25-cm-diameter plastic disk is spun on an axle through its center by an electric motor. What torque must the motor supply to take the disk from 0 to 1800 rpm in 4.1.
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Two circular poles of the electromagnet, facing each other, both have a radius of R=0.1 m. The electromagnet is suddenly disconnected from its power source, and magnetic field decreases at a rate of 2.0 x 104 T/s.
Pearson Brothers recently reported an EBITDA of $4.5 million and net income of $1.3 million. It had $2.0 million of interest expense, and its corporate tax rate was 35%. What was its charge for depreciation and amortization?
A student doing an experiment pours 0.160kg of heated copper shot into a 0.355-kg aluminum calorimeter cup containing 0.240kg of water. find the initial temperature of the shot
A 0.5000-g sample containing NaHCO3, Na2CO3, and H2O was dissolved and diluted to 250.0 mL. A 25.00-mL aliquot was then boiled with 50.00 mL of 0.01255 M HCl. After cooling, the excess acid in the solution required 2.34 mL of 0.01063 M NaOH when t
A 250g , 25-cm-diameter plastic disk is spun on an axle through its center by an electric motor. What torque must the motor supply
(a) if there is no current in the loop, what is the magnetic flux through the coil (b) When the current in the coil is 3.8 A in certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil.
If you use 25.0 mL of the 0.24M sodium hydroxide solution to titrate a 0.40 M solution, how many mL of HCl will be used
An RLC circuit is connected to a 220 V 60 Hz ac voltage source. Determine the power loss in the circuit
Suppose the spot exchange rate for the canadian for the canadian dollar is Can 1.02 and the six month forard rate is Can 1.03.
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