Physics, 21.04.2020 17:59 meiyrarodriguez
An early planetary model of the hydrogen atom consisted of a 1.67 X 10-27 kg proton in the nucleus and a 9.11 X 10-31 kg electron in orbit around it at a distance of 5.0 X 10-11 m. In this model, what is the gravitational force between a proton and an electron?
Answers: 3
Physics, 22.06.2019 09:30, ayeheavymetal
The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
Answers: 1
Physics, 22.06.2019 17:00, marchellepenuliar
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
An early planetary model of the hydrogen atom consisted of a 1.67 X 10-27 kg proton in the nucleus a...
Mathematics, 17.09.2019 10:50
Chemistry, 17.09.2019 10:50
Biology, 17.09.2019 10:50
Mathematics, 17.09.2019 10:50
Mathematics, 17.09.2019 10:50
Mathematics, 17.09.2019 10:50