An electrician is wiring new electrical outlets in a house and has stored a 49.5-m length of copper wire outside where the temperature is −10.3°C.

When the wire is brought inside and warmed to 21.0°C, by what amount in centimeters will the wire's length increase due to the temperature change?

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared