Physics, 08.03.2021 20:00 joejoefofana
Water vapor condenses into a glass of water. The water is then placed in a freezer and changes into ice. What remains consistent as the water changes states?
a. its chemical properties
b. its physical properties
c. its appearance
d. its temperature
Answers: 3
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How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
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Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
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