Physics, 04.02.2021 01:00 lillitzy8865
Find the specific heat of a substance that requires 8000 J of energy to heat up 400g by 20 C?
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
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The mass of the sun is 1.99Γ1030kg and its distance to the earth is 1.50Γ1011m. what is the gravitational force of the sun on the earth?
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Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.
Answers: 2
Find the specific heat of a substance that requires 8000 J of energy to heat up 400g by 20 C?...
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