Ineed it correct or ill fail my course: ( what role did gravity play in the formation of the planets? a. gravitational forces brought together several moon-sized bodies, called planetesimals, to form larger bodies that became planets. b. the gravity of the sun was too weak to hold it together, and large pieces of the sun broke off to form the planets. c. planet-sized bodies passing by the solar system were pulled in by earth's gravity and fell into orbit around the sun. d. the gravitational forces inside small asteroids pushed outward, causing the asteroids to swell to the size of planets.
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Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
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Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
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Physics, 22.06.2019 22:30
Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.
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Ineed it correct or ill fail my course: ( what role did gravity play in the formation of the planets...
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