"which of the following is true about the atom shown? choose all that apply.
(i will h...
Physics, 05.12.2019 13:31 alaynagrace1111
"which of the following is true about the atom shown? choose all that apply.
(i will have the image bellow)
*it is unstable
*it is stable
*it belongs to group 10
*it belongs to group 18"
Answers: 2
Physics, 21.06.2019 17:00
What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
Answers: 2
Physics, 22.06.2019 14:10
Your starship, the aimless wanderer, lands on the mysterious planet mongo. as chief scientist-engineer, you make the following measurements: a 2.50-kg stone thrown upward from the ground at 14.0 m/s returns to the ground in 5.70 s ; the circumference of mongo at the equator is 2.20ร10^5 km ; and there is no appreciable atmosphere on mongo. (a) the starship commander, captain confusion, asks for the following information: what is the mass of mongo? (b) if the aimless wanderer goes into a circular orbit 2.20ร10^4 km above the surface of mongo, how many hours will it take the ship to complete one orbit? (c) an unmanned spacecraft is in a circular orbit around the moon, observing the lunar surface from an altitude of 44.0 km . to the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 23.0 m/s . if nothing is done to correct its orbit, with what speed (in km/h) will the spacecraft crash into the lunar surface?
Answers: 1
Physics, 22.06.2019 21:10
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius ํ
=0.381meters and mass ํ=3.1ํํ. initially ํ"is on the ground and ํ#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of ํ#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
History, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
History, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
Mathematics, 05.02.2020 11:52
History, 05.02.2020 11:52
Computers and Technology, 05.02.2020 11:52
English, 05.02.2020 11:52
Social Studies, 05.02.2020 11:52