Physics, 25.05.2021 16:40 andrejr0330jr
Heat engine absorbs 2000 J of heat and performs 1600 J of mechanical work in each cycle. What is The efficiency of the engine?
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Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.
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Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
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What happens when a rubber rod is rubbed with a piece of fur?
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Physics, 22.06.2019 16:00
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
Heat engine absorbs 2000 J of heat and performs 1600 J of mechanical work in each cycle. What is The...
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