Physics, 20.11.2021 14:00 bakerj5203
Clothing acts as insulation to keep body heat in. Bryan wants to know whether a wool sock or a cotton sock will be better at keeping heat in. He puts the wool sock around cup 1 and the cotton sock around cup 2 and then fills both cups with hot water. How can he tell which sock is a better insulator? A. measure the temperature of the air B. measure the temperature of each sock by itself C. measure which cup of water stays hot the longest D. measure how long it takes to drink the water
Answers: 3
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When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
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Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
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An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
Clothing acts as insulation to keep body heat in. Bryan wants to know whether a wool sock or a cotto...
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