Physics, 30.01.2020 19:54 awesome266
A1,200kg car rolls down a hill with its brakes off and transmission in neutral. at one moment, it is moving 5.0m/s. a little later, it is moving at 8.2 m/s. how much did its height change between the two times? assume no friction or air resistance.
Answers: 3
Physics, 21.06.2019 15:10, tracijp
On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?
Answers: 1
Physics, 22.06.2019 03:30, 1074885
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
Answers: 1
A1,200kg car rolls down a hill with its brakes off and transmission in neutral. at one moment, it is...
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