Physics, 01.02.2020 16:45 egyptforrest9892
50 j of work was performed in 20 seconds. how much power was used to do this task? a. 0.4 w b. 2.5 w c. 4 w d. 24.5 w
Answers: 3
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Physics, 22.06.2019 12:50
The heliocentric and the geocentric models of the solar system included these central principles
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Physics, 22.06.2019 13:00
The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
Physics, 23.06.2019 00:20
Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)
Answers: 1
50 j of work was performed in 20 seconds. how much power was used to do this task? a. 0.4 w b. 2.5...
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