Physics, 16.12.2020 22:10 viktoria1198zz
Students set up a controlled experiment. They put five crickets in each of three identical containers. They set one container to 15C, one to 20C, and another to 25C. Then they count the number of cricket chirps in each container during one hour.
What are TWO constants in this experiment?
A:The temperature of each container
B:the number of crickets in each container
C:The kind of containers used
D:The number of cricket chirps.
Answers: 3
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Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature
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Examine the equation. 23490thβ23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
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When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.
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At 20βc, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12Γ10β6 kβ1 and23Γ10β6 kβ1 respectively.
Answers: 1
Students set up a controlled experiment. They put five crickets in each of three identical container...
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