Final temperature of the water
If 20.0 kcal of heat are supplied to 5.00 102 g of water at 23° C, what is the final temperature of the water?
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A 25 kg chimpanzee hangs from the end of a horizontal, broken branch of length L0 = 1.6 m, as shown in the figure . The branch is a uniform cylinder 4.5 cm in diameter, and the end of the branch supporting the chimp sags downward through a vertica
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To keep a room at a comfortable 21.0°C a Carnot heat pump does 415 J of work and supplies it with 3470 J of heat. What is the temperature of the outside air?
How high above the ground is the highest point that the skateboarder reaches? When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp?
Now place a thin film of dielectric material of refractive index 1.46. By how much will this change the optical path between the slit and the centre of the screen?
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