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Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)
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Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
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Physics, 21.06.2019 22:30
Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
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Physics, 22.06.2019 12:00
Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter
Answers: 1
Mathematics, 22.08.2019 18:30
Mathematics, 22.08.2019 18:30
Mathematics, 22.08.2019 18:30
Physics, 22.08.2019 18:30
Biology, 22.08.2019 18:30
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Social Studies, 22.08.2019 18:30
Mathematics, 22.08.2019 18:30
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Mathematics, 22.08.2019 18:30
Mathematics, 22.08.2019 18:30