Find the shortest wavelength of the radiation emitted
A tungsten target is struck by electrons that have been accelerated from rest through a 29.9-kV potential difference. Find the shortest wavelength of the radiation emitted.
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An organ pipe open at both ends is vibrating with n = 3 with a frequency of 769 Hz. The length of the pipe is 0.5 m. Determine the speed of sound (m/s) in air in the pipe.
A certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of 8.50 T in its core when its coils carry a current of 65 A. Find the number of turns in the solenoid.
A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts down a ramp that makes an angle of 25.0° with the horizontal.
Suppose a car is traveling along a straight road at 40 mph. The car then brakes to a stop. Does this violate conservation of momentum? If conservation of momentum is violated, explain how this happens. If conservation of momentum is not violated,
A car of massmtraveling at speedvcrashes into the rear of a truck of mass 2mthat is at rest and in neutral at an intersection. If the collision is perfectly inelastic, what is the speed of the combined car and truck after the collision?
ABC, Inc. had 250,000 shares of common stock outstanding on January 1, 2008 and issued 30,000 additional shares on August 1, 2008. Net income for the year ended December 31, 2008 was $1,968,750. The earnings per share equals?
During 2009 Gator Leasing generated cash from leasing, it's major business activity, and sold an office building. Which part(s) of the statement of cash flows would be affected by these events?
A heat engine operates in a Carnot cycle between72.0°C and345°C. It absorbs 21,600J of energy per cycle from the hot reservoir. The duration of each cycle is5.00s. What is the mechanical power output of this engine?
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