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Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 10:00
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
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Physics, 23.06.2019 00:00
What energy transformations occur each time the skateboarder rolls up the ramp?
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Physics, 23.06.2019 02:00
Emergent properties of living systems are defined as properties that .
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Magnitude is used to show the brightness of one object compared with the brightness of another objec...
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