Which of the following is an example of electrical energy being converted to chemical energy? A. An electric furnace begins to emit heat to warm a house. B. The wheels on a machine begin to turn and move a conveyer belt. C. A loudspeaker, which is plugged in to the wall, begins to project sound. D. A storage battery is charged using an electric current.

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A storage battery is charged using an electric current is an example of electrical energy being converted to chemical energy.
Which of the following is an example of electrical energy being converted to chemical energy? A. An electric furnace begins to emit heat to warm a house. B. The wheels on a machine begin to turn and move a conveyer belt. C. A loudspeaker, which is plugged in to the wall, begins to project sound. D. A storage battery is charged using an electric current.
A storage battery is charged using an electric current is an example of electrical energy being converted to chemical energy.
An 85 kg object is moving at a constant speed of 15 m/s in a circular path, which has a radius of 20 meters. What centripetal force is exerted on the body? A. 42.50 N B. 956.25 N C. 63.75 N D. 765.00 N
An 85 kg object is moving at a constant speed of 15 m/s in a circular path, which has a radius of 20 meters. 956.25 N is exerted on the body.Solution:centripetal force = mv² / R = 85kg × 15×15 / 20 = 956.25 N.
A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amount of work will be needed to accomplish the task? A. 229,320 J B. 588,000 J C. 305,760 J D. 203,840 J
A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. < If each brick is 4 kilograms, the amount of work needed to accomplish the task is: 305,760 J. Work to lift 1 brick: W = mgh = (4 kg)(9.8 m/s²)(15 m) = 588 J Work to lift 520 bricks: W = 520(588 J) = 305,760 J.
In a practical machine, the power output is smaller than the power input. Considering the law of energy conservation, what can explain this occurrence? A. Some of the energy coming out of the machine is being destroyed. B. Some of the energy going into the machine is being created at a quicker rate than the energy coming out is being destroyed. C. Some of the energy going into the machine is being destroyed. D. Some of the energy is used to combat friction, and thus is ...
2175forals.com: In a practical machine, the power output is smaller than the power input. < Considering the law of energy conservation, Some of the energy is used to combat friction, and thus is transformed from mechanical energy to heat can explain this occurrence. > (More)
In a practical machine, the power output is smaller than the power input. Considering the law of energy conservation, what can explain this occurrence? A. Some of the energy coming out of the machine is being destroyed. B. Some of the energy going into the machine is being created at a quicker rate than the energy coming out is being destroyed. C. Some of the energy going into the machine is being destroyed. D. Some of the energy is used to combat friction, and thus is transformed from ...

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In a practical machine, the power output is smaller than the power input. Considering the law of energy conservation, this occurrence can explain by Some of the energy is used to combat friction, and thus is transformed from mechanical energy to heat.
An object with a mass of 70 kilograms is supported at a height 8 meters above the ground. What"s the potential energy of the object with respect to the ground? A. 3,430 J B. 560 J C. 5,488 J D. 2,058 J
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5,488 is the potential energy of the object with respect to the ground. PE = mgz PE = 70(9.8)(8) = 5,488 (More)
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