Advanced Placement (AP)

Advanced Placement (AP), 18.10.2019 14:20, thesusan56351

In extreme heat, can dangerously strain your engine.
a. refueling too often

b. hills

c. using the heater

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Engineering, 21.08.2019 05:10, irishvball7

Aheat engine drives a heat pump at c.o.p equal to 5, by suppling 70 percent of the work output. the heat rejected by the heat engine and the heat pump are used to heat water in a certain chemical plant. the total heat received by the chemical plant is twice the amount of the heat supplied to the heat engine. (a) give a schematic diagram of the complete system. (b) calculate the efficiency of the heat engine.

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SAT, 18.10.2019 19:30, Michaelpem1789

In extreme heat, can dangerously strain your engine. a. refueling too often b. hills c. using the heater

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Physics, 20.10.2019 12:30, jeanbeansmith2p2ofty

A. a heat engine converts the flow of heat that results from a difference in temperatures into work. write one or two sentences describing a heat engine that has a low efficiency by comparing the temperatures at which it operates. b. how could you improve the efficiency of a heat engine by decreasing one of the temperatures at which the heat engine operates? c. calculate the amount of heat needed to warm 16.1 kg of water from a room temperature of 20.0°c to 60.0°c. show your work. d. a water heater has an efficiency of 67%. if the water heater takes in 6040 kj of heat to heat up water for a dishwasher, how much total work does it provide? show your work. e. how much energy is lost to the surroundings while heating the water for one cycle of the dishwasher? show your work.

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Biology, 23.10.2019 04:50, ajime

After mixing a heat-killed, phosphorescent (light-emitting) strain of bacteria with a living, nonphosphorescent strain, you discover that some of the living cells are now phosphorescent. which observation(s) would provide the best evidence that the ability to phosphoresce is a heritable trait? a) dna passed from the heat-killed strain to the living strain. b) protein passed from the heat-killed strain to the living strain. c) the phosphorescence in the living strain is especially bright. d) descendants of the living cells are also phosphorescent. e) both dna and protein passed from the heat-killed strain to the living strain.

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In extreme heat, can dangerously strain your engine.
a. refueling too often

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