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A vacuum cleaner is plugged into a 120.0-V socket and uses 3.1 A of current in normal operation when the back emf generated with the electric motor is 77.0 V. Discover the coil resistance of the motor.
The first two anti-stokes lines in the rotational Raman spectrum of N2 occur at 29709.1 and 29717.1cm^-1. Calculate the bond length of N2 molecule.
A certain telescope has an objective of focal length 1580cm. If the Moon is used as an object, a 1.4 cm long image formed by objective corresponds to what distance, in miles, on the Moon? Suppose 3.8 multiplied by 108 m for the Earth-Moon distance..
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
a current of 2.78A slows in a straight wire segment of length 3.00cm i + 4.00cm j in a uniform magnetic field of strngth (2.50T).
A professional race-car driver buys a car that can accelerate at 5.3 m/s2. Find the velocity of the race car when the two drivers are side by side
a he-ne laser cavity has a cylindrical geometry with length 30cm and diameter 05cm. the laser transition is at 633nm
A transformer has input voltage and current of 10 V and 4 A respectively, and an output current of 0.8 A. how many turns are on the primary side
At the low point in it swing, a pendulum bob with a mass of 0.46 kg has a velocity of 2.2 m/s. What is its kinetic energy at the low point
Compute the final temperature using the ideal gas law and van der Waals equations of state. Assume that Cvm = 3/2 R and the van der waals parameters for Argon are a = 1.355 dm6bar/mol2 and b = 0.0320 dm3/mol.
It is desired to slip an aluminum ring over a steel bar. At 10 the inside diameter of the ring is 4.550 and the diameter of the rod is 4.580. Find the temperature at which the ring can be removed
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters
A bulldozer pushes a large rock, and the two move forward together. The bulldozer does 1500 J of work on the rock. How much work does the rock do on the bulldozer
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