Physics, 27.06.2019 09:00 AllanCasey12
What role did gravity play in the formation of the planets? a. the gravitational forces inside small asteroids pushed outward, causing the asteroids to swell to the size of planets. b. planet-sized bodies passing by the solar system were pulled in by earth's gravity and fell into orbit around the sun. c. the gravity of the sun was too weak to hold it together, and large pieces of the sun broke off to form the planets. d. gravitational forces brought together several moon-sized bodies, called planetesimals, to form larger bodies that became planets.
Answers: 2
Physics, 21.06.2019 20:10
Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s
Answers: 2
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 00:00
True or false: the revolution of the earth creates day and night as it rotates around the sun
Answers: 2
Physics, 22.06.2019 05:30
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
What role did gravity play in the formation of the planets? a. the gravitational forces inside sma...
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