Physics, 24.01.2021 17:00 mikelback419
What is the flow of energy from the falling water to the steam?
a) mechanical -> mechanical -> electrical -> thermal -> thermal
b) mechanical -> mechanical -> electrical -> light -> thermal
c) chemical -> mechanical -> electrical -> thermal -> thermal
d) mechanical -> chemical -> electrical -> thermal -> thermal
Answers: 1
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Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg ยท s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
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What is the flow of energy from the falling water to the steam?
a) mechanical -> mechanical ->...
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