All Questions
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Kinetic energy in "interplanetary" Gravitational potential energy problem?
For a system of two completely stationary planets both of the same radius and mass, when launching a projectile (e.g. a rocket) from point A on the left planet - assuming we know U - minimal kinetic ...
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Newton's Universal Law of Gravitation doubt
The Universal Law of Gravitation states that the module of the force, $F$ is
$$F = \frac{GmM}{r^2},$$
where $m$ and $M$ are the mass of the two objects and $r$ is the distance between the two objects....
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Gravitational Potential Energy and Zero Points
I have two questions.
1) The first one has to do with the formula for deriving Gravitational Potential Energy. I learned that, for the derivation of Gravitational Potential Energy given large ...
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How much electric energy is created by an 80kg man making a step at flat surface while walking at the normal speed (5km/h) [closed]
Even a rough approximation would be helpful. But of course a precise calculation would be great :). Thank you all in advance very much for your help!
By the way - do you have any suggestion for ...
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