You are watching children play a game of tug-o-war with an old plastic clothesline. the two teams are pulling at opposite ends of the cord and each team is trying to drag the other team into a mud puddle that lies between them. after a few minutes without progress, the team on the right suddenly pulls hard toward the right. the team on the left has anticipated this threat and is able to keep their end of the rope from moving at all. the right end of the rope stretches toward the right and the rope breaks. it took energy to breaking the rope and that energy was provided by(a) the team on the right. (b) both teams. (c) neither team. it was instead provided by chemical potential energy in the rope itself. (d) the team on the left.
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Physics, 21.06.2019 17:20
Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg
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What part of the ear is names after tools, such as the hammer and the anvil?
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You are watching children play a game of tug-o-war with an old plastic clothesline. the two teams ar...
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