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A piece of lead with a mass of 1.75 kg and a temperature of 95.0oC is added to 225 g of water at 23.0oC. The water is contained in an aluminum cup which has a mass of 75.0 g. Determine the final equilibrium temperature of the lead, water, and aluminum cup if no heat is lost to the surroundings.
Two identical containers are open at the top and are connected at the bottom via a tube of negligible volume and a valve which is closed. Both containers are filled initially to the same height of1.00 m, one with water, the other with mercury, as the..
In the circuit shown, the current through the 12 V Battery is measured to be 70.6 mA in the direction shown. What is the current through the 24V source?
Given: A penny moving at speed "v" slides off the horizontal surface of a coffee table a vertical distance "y" from the floor. Show that the penny lands a distance v√2y/g from the base of the coffee table.
A ladder leans against a perfectly frictionless wall. The ladder is 3.00 meter high and the foot of the ladder is 1.50 meter away from the wall. Find the torque that this force exerts about the foot of the ladder
A 14.0g rubber bullet hits a wall with a speed of 170m/s, what is the magnitude of the change in momentum of the bullet
A car is approaching a relecting wall. A stationary observer behind the car hears a sound of frequency 745Hz from the horn, What is the frequency of the car horn
How much work is completed in charging the capacitor
The only brand with a different makeup was Eat Slim Veal Hot Dogs. Which point on your stemplot do you think represents this brand?
A cylindrical copper cable carries a current of 1290 A. There is a potential difference of 1.60 10-2 V, What is the radius of the cable
A rotational axis is directed perpendicular to the plane of a square and is located . Two forces, 1 and 2, are applied to diagonally opposite corners, and act togther the sides of the square, first as shown in part a and then as shown in part b of..
a person scuffing her feet on a wool rug on a dry day accumulates anet charge of -46.6 microcoulombs. How many excess electrons does this person get
A fighter jet landing on an aircraft is made to brake very quickly by means of cable that the plane connects to via a hook. Assume that a 21,000 lb jet touches down at 170 mph and its speed is reduced to zero in 240 ft Assuming constant deceler..
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