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300 grams of water at 0 degrees are placed in a copper container weighing 120 grams in which 35 grams of ice (at 0 degrees also). 17 grams of steam at 100 degrees are fed in and completly condensed to water.
What is the temperature of the resulting mixtures.
What happens to water that flows out of a pipe at constant pressure (or constant flow rate), and then enters a restriction in the pipe (goes from a fat pipe to a thin pipe, but the pressure in the fat part of the pipe stays the same:
A pair of narrow slits, separated by 0.50 mm, is illuminated by a monochromatic light of 650 nm wavelength. Light waves arrive at the two slits in phase. Determine the position of the third bright zone
Steam at 100°C is added to ice at 0°C, Find the amount of ice melted and the final temperature when the mass of steam is 14.0 g and the mass of ice is 52.0 g
Blanche, a 100 kg shot-putter, is putting the 4 kg shot in a track meet. Just before she releases the shot, Blanche is in the air. What is Blanche's horizontal acceleration at this instant
At the surface, atmospheric pressure is 1.013 X 10^5 Pa. What is the additional pressure on the air in their lungs
what is the magnitude of the electric field at the point 3.15 - 2.05 4.15 m if the electric potential is given by v
Starting from rest, a subway train first accelerates to 28m/s and then begins to brake. What is its average acceleration in this 48-s interval
Acceleration is sometimes expressed as multiples of g, the acceleration due to Earth’s gravity. In a car crash, the car’s (and driver’s) velocity may go from 26 m/s to zero in 0.15 seconds. On average, what is the acceleration experienced by the driv..
Describe and explain the advantages of fiber optic cable to an electric wire and give the principle of fiber optic cable
A railroad train is traveling at 30.0 m/s in still air. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first
An electrician connects two different bulbs in seriesto 120 V circuit. One bulb is rated as 40 W for a nominal voltage 220V, Which of the two bulb is producing more light
A VW Beetle goes from 0 to 60 mi/hr with an acceleration of +2.35 m/s2. Find the acceleration (in m/s2) of the dragster
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