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A person makes a quantity of iced tea by mixing 500 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume that mixture has negligible energy exchange with environment. If tea's initial temperature is Ti = 90 C, when thermal equilibrium is reached what are (a) the mixture's temperature T final and (b) the remaining mass m final of ice? If Ti = 70 C, when the thermal equilibrium is reached what are (c) T final and (d) m final?
A tank of water sits at the edge of a table of height 2m. The tank springs a very small leak at its base, and water sprays out a distance of 1.4 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the a..
When a falling meteoroid is at a distance above the Earth's surface of 3.10 times the Earth's radius, find its acceleration due to the Earth gravitation
four passengers with combined mass 250 kg compress the springs of a car with worn out shock absorbers by 4.00cm when
The coefficient of kinetic friction for wood sliding on wood is 0.20. Illustrate what is the speed of the bullet?
Particles approximately 3.0 X 10-2 cm in diameter are tobe scrubbed loose from machine parts in an aqueous ultrasoniccleaning bath. Above what frequency should the bath be operated to produce wavelengths of this size and smaller?
A conducting rod is moved in a magnetic field of 0.5T as shown. The bar is 0.4m long and has a velocity of 12 m/s. What is the induced voltage across the bar
What is the charge on each
When subject to a steady acceleration of 0.800 g, the object must be located 0.600cm from its equilibrium position. Find the force constant required for the spring.
A cord is used to lower verically a block of mass M a distance d at a constand downward acceleration of g/4. Find the work done by the cord on the block
In frustration, you throw your Physics book straight down from a cliff with an initial speed of 17.3 m/s. The book hits the ground after 5.17 s. how high was the cliff
A pipe comes diagonally down the south wall of a building, making an angle of 45? with the horizontal. Coming into a corner, the pipe turns and continues diagonally down a west-facing wall, still making an angle of 45? with the horizontal. What..
A 15-g ball is shot from a spring gun whose spring has a force constant of 600N/m. The spring can be compressed 5 cm. How high can the ball be shot if the gun is aimed vertically
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