Compare the electric and gravitational force between the electron and the proton in a hydrogen atom. the electric charge of the electron is -1.60x10-19c and the same but positive for the proton. the electron’s mass is 9.11x10-31 kg, while the proton’s mass is 1.67x10-27kg. assume the distance between them is 5.3x10-11 m
Answers: 3
Physics, 22.06.2019 15:00
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Physics, 22.06.2019 23:30
An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.
Answers: 2
Physics, 23.06.2019 00:00
What energy transformations occur each time the skateboarder rolls up the ramp?
Answers: 2
Physics, 23.06.2019 00:30
Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving
Answers: 1
Compare the electric and gravitational force between the electron and the proton in a hydrogen atom....
History, 03.09.2021 08:20
Mathematics, 03.09.2021 08:20
Chemistry, 03.09.2021 08:20
Mathematics, 03.09.2021 08:20
Mathematics, 03.09.2021 08:20
Mathematics, 03.09.2021 08:20
English, 03.09.2021 08:20
Mathematics, 03.09.2021 08:20
History, 03.09.2021 08:20