Physics, 02.04.2020 03:31 camila9022
Which of the following best explains energy transformation in hydrogen fuel cells?Methane reacts with oxygen to produce carbon and hydrogen atoms, which releases energy. Hydrogen reacts with oxygen to produce water, which releases energy. In the presence of sunlight, carbon dioxide reacts with water to produce sugar and oxygen, requiring energy. Hydrogen chloride is dissolved in water, requiring energy.
Answers: 2
Physics, 20.06.2019 18:04, singlegirlforlife541
A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?
Answers: 1
Physics, 22.06.2019 14:40, sherlinejules1
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Which of the following best explains energy transformation in hydrogen fuel cells?Methane reacts wit...
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