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Suppose an electron is released from rest in a uniform electric field whose magnitude is 7.20 x 103 V/m.
(a) Through what potential difference will it have passed after moving 1.00 cm?
b) How fast will the electron be moving after it has traveled 1.00 cm?
A 47 g block of copper at -10 C is added to 150 g of water in a 71g aluminum cup. The cup and the water have an initial temperature of 4.2 C. Find the equilibrium temperature of the cup and its contents. What mass of ice, if any, is present when t..
A car is traveling at 81.9 km/hr. The tires have a radius R = 38.4 cm. What is the angular speed of the tire
An ideal gas, Cp = (7/2)R, is heated in a steady-flow heat exchanger from 70°C to 190°C by another stream of the same ideal gas which enters at 320°C. The flow rates of the two streams are the same, and heat losses from the exchanger are negligibl..
You're carrying a 3.2-m-long, 25 pole to construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. How much force must you exert to keep the pole motionl..
A satellite has a mass of 110 kg and is located at 1.96 106 m above the surface of Earth, What is the magnitude of the gravitational force on the satellite
What is the angle of total internal reflection (critical angle) for a glass-to-water interface
Five thousand joules of heat is put into a Carnot engine whosehot and cold reservoirs have temperatures of 540 and 200 K, How much heat is converted into work
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.53 m. Where should the third charge be located
The rope and two masses are suspended from the ceiling of an elevator which is accelerating downward at 2.8 m/s^2. If each of the masses is 3.7 kg, find the tension in the rope connecting the two masses.
A baseball player slides into third base with an initial speed of 4.6 m/s. how far does the player slide before coming to rest
A bullet with a mass of 25.0 grams is fired into a block with a mass of 2.50 kg hanging from a string. to what height will the block and bullet go
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons
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