Physics, 21.02.2020 05:52 jholland03
A 2.2 kg ball is attached to a ceiling by a string. The distance from the ceiling to the center of the ball is 1.06 m, and the height of the room is 3.00 m. What is the gravitational potential energy associated with the ball relative to the ceiling?
Answers: 2
Physics, 22.06.2019 09:00
Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
Answers: 1
Physics, 22.06.2019 10:30
What are two different ways you could find the value of a? explain these methods.
Answers: 2
Physics, 22.06.2019 15:20
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(mโ
k), and the styrofoam has k= 0.010 w/(mโ
k). the interior surface temperature is 19.0 โc , and the exterior surface temperature is -15.0 โc . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
A 2.2 kg ball is attached to a ceiling by a string. The distance from the ceiling to the center of t...
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