Physics, 15.11.2020 14:00, yfgkeyonna
If the gravitational force between the electron (of mass 9.11 Γ 10β31 kg) and the proton (of mass 1.67 Γ 10β27 kg) in a hydrogen atom is 1.5 Γ 10β47 N, how far apart are the two par- ticles? The universal gravitational constant is 6.673 Γ 10β11 N Β· m2/kg2. Answer in units of m.
Answers: 1
Physics, 21.06.2019 22:00, greenclonetroop6q2tg
Arock collection comes from which part of earth?
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Physics, 22.06.2019 01:00, blesskids600
An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
Answers: 1
Physics, 22.06.2019 05:30, jalexus
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
If the gravitational force between the electron (of mass 9.11 Γ 10β31 kg) and the proton (of mass 1....
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