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Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
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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 Β°c. the final temperature of the water was measured as 39.9 Β°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 05:20
Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
Answers: 1
A child does 12 J of work pushing his 3 kg toy truck. With what velocity does the toy move after the...
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