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In a typical lightning flash, the potential difference between the cloud and the ground is 10^9 V and the charge transferred is 30 C. Suppose the decrease in energy of the transferred charge is used to accelerate a 1000kg car from rest. Calculate the final speed of the car.
The car lift in a gas station operates with an air pressure of 2000 kPa. The piston of the car lift has a diameter of 30.0 cm. What is the mass of the largest car that the lift can raise
A sample of animal bone unearthed at an archaeological site is found to hold 173 grams of carbon and the decay rate of 14-C in the sample is measured to be 8.10 Bq. How old is the bone.
When ultraviolet light with a wavelength of 246nmfalls upon a clean metal surface, find the photoelectric threshold wavelength for this metal
A piano emits sound waves with frequencies that range from a low of about 28 Hz to a high of about 4,200 Hz. The speed of sound in air is approximately 343 m/s. find the longest wavelength of sound produced by a piano
Incident photons strike a soduim surface having a work function of 2.2 eV, causing photoelectric emission. What is the wavelength of the incident photons
q1. a 240 g block hangs from a spring with spring constant 8.0cm. at the block is 23cm below the equilibrium point and
A particle of charge 4.96 is placed at the origin of an xy-coordinate system, and a second particle of charge -1.99 is placed on the positive x-axis at = 3.97. Find the direction of the total force acting on the third charge
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
You need to design a photodetector that can respond to the entire range of visible light. What is the maximum possible work function of the cathode
What is the Compton effect, What is the shift in the wavelength of x-rays upon Compton scattering
A truck initially going 10m/s slams on the breaks. If the coefficient between the truck's tires and road is %u03BC=0.4, what is the minimum stopping distance of the truck
An ideal monatomic gas expands isothermally from 0.500 m3 to 1.25 m3 at a constant temperature of 630 K, Find the thermal energy transfer Q
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