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A 40-g block of ice is cooled to ?72°C and is then added to 640 g of water in an 80-g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts, determine how much ice is left.) Remember that the ice must first warm to 0°C, melt, and then continue warming as water. (The specific heat of ice is 0.500 cal/g · °C = 2,090 J/kg · °C.) Tf = °C mice final = g
two moles of an ideal gas at 400 K expand quasi-statically and isothermally from an initial volume of 31.0 L to a final volume of 86.0 L. What is the entropy change of the universe for this process
A 400 g mass is attached to a spring of constant k=16.0 N/m and set into oscillation with amplitude A=25.0 cm, Find the totall mechanical energy E of the oscillator
Use the natural and dual basis vectors to determine the metric tensors g i j and gi j , and the line element, for the coordinate system introduced in Example 2.2. Verify explicitly that the matrices g i j and gi j found for this problem are inverses ..
A 35-kg child rides a playground merry-go-round, standing 1.6 m from its center. What was the distance travelled by the child during this time
A person is pushing a wheelbarrow along a ramp that makes an angle ? = 25.0° with the horizontal. The wheelbarrow and load have a combined mass of 20.20 kg with the center of mass at the midpoint of the length L. What is the total force the person mu..
A series combination of a 8 kΩ resistor and an unknown capacitor is connected to a 13 V battery. Determine the capacitance of the capacitor
A vertical spring has one end attached to the ceiling and a 2.50-kg fish attached to the other one. How far down the fish will drop before starting to come back
the hanging object has a mass of m1 = 0.445 kg; the sliding block has a mass of m2 = 0.750 kg; and the pulley is a hollow cylinder with a mass of M = 0.350 kg, Find the angular speed of the pulley at the same moment
What is the tangential velocity of a satellite in a circular orbit 300km above the surface of the Earth, How long does the satellite take to complete one orbit
A toy of mass 0.155 kg is undergoing SHM on the end of a horizontal spring with forces constant 305 N/m. When object is a distance 1.20×10-2 m from its equilibrium position, it is observed to have the speed of 0.255 m/s.
A rope applies a horizontal force of 193 N to pull a crate a distance of 1.89 m across the floor. What is the work done by the frictional force
At the bottom of the slope, the path levels out and become horizontal, the snow becomes less icy, and the skier begins to slow down, coming to rest in a distance of 160.00 m along the horizontal path.
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