Physics, 01.11.2020 17:40 jasminetaylor4587
An electric drill transfers 200 J of energy into a useful kinetic energy store. It also transfers 44 J of energy by sound and 48 J of energy by heat. What is the efficiency of this drill? Round your answer to the nearest whole number
Answers: 3
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Select the word from the list that best fits the definition classification of most stars on the h-r diagram
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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
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Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?
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An electric drill transfers 200 J of energy into a useful kinetic energy store. It also transfers 44...
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