Answers: 1
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10Β° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70Β° c if it is known that its temperature increases 2Β° during the first second? (the boiling temperature for water is 100Β° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98Β° c? (round your answer to one decimal place.)
Answers: 2
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 14:50
Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
Answers: 1
If the mass of the moon were suddenly to double, and the distance to the moon cut in half, how would...
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