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Suppose that an insulating container of negligible mass contains 0.55 kg of water at a temperature of 64 degrees C. Now suppose 74 g of ice initially at a temperature of -35 degrees C is added to the water. Assuming no transfer of heat to or from the surroundings, what is the final temperature (in degrees C) of the system?
Two Polaroids are aligned so that the light passing through them is a maximum. At what angle should one of them be placed so that the intensity is subsequently reduced by half?
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
An atom of mass 3.32*10^(-26)kg oscillates in one dimension at a frequency of 10^13Hz, calculate the quantized energy levels
The ground state for a single valence electron of a rubidium atom (Z=37) is 5s and its energy is –4.18 eV. The valence electron is excited into the 5g state. We want to determine the energy of this 5g electron. Assume that the wave function for th..
1 search the internet for real applications of statistics in the workplace. as a hint type the word statistics
An elevator has mass 550kg , not including passengers. The elevator is designed to ascend, at constant speed, What is the maximum number of passengers that can ride in the elevator
A race driver has made a pit stop to refuel. After refueling,he leaves the pit area with an acceleration whose magnitude is6.3 m/s2; how much time is required for it to catch the other car
a spaceship leaves earth event a travels to alpha centauri which is 4.3 y distance away and then returns event b
A 1,220-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 8,800-kg truck moving in the same direction at 20.0 m/s, What is the velocity of the truck right after the collision
Suppose you design an apparatus in which a uniformly charged disk of radius R is to produce an electric field. The field magnitude is most important along the central perpendicular axis of the disk, at a point P at distance 2.90R from the disk (Fi..
(a) How much does a 70.0 kg person weigh on the Earth? (b) How much would she weigh on the Moon (gmoon = 0.166g)? (c) How much would she weigh on a neutron star where gstar = 1.43×1011g?
A roller coaster car mass 988 kg is about to roll down a track with a circular loop at the bottom. at what speed does the car reach the top of the loop
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