11. which of the following would likely be the best reflector of heat energy?
a. a gritty nav...
Physics, 23.08.2019 01:30 andreamarie2004amg
11. which of the following would likely be the best reflector of heat energy?
a. a gritty navy blue surface
b. a bumpy red surface
c. a dull orange surface
d. a polished pale yellow surface
Answers: 2
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The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
Answers: 1
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Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages
Answers: 1
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Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
Physics, 22.06.2019 11:20
Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
Answers: 3
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