Emily and her science lab partner made a complete circuit by attaching a light bulb to some wires and a battery. Which of the following best describes the flow of the energy in the complete circuit?
A. light bulb, wire, battery, lightbulb, wire
B. battery, wire, lightbulb, battery, lightbulb
C. battery, lightbulb, battery, lightbulb
D. wire, battery, wire, battery
Answers: 3
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Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)
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Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Emily and her science lab partner made a complete circuit by attaching a light bulb to some wires an...
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