Homework Statement
The illumination of an object by a light source is directly proportional to the strength of the source and inversely proportional to the square of the distance from the source. If two light sources, one three times as strong as the other, are placed 10 feet apart, where...
No... I am just assuming that the teacher forgot to give us the mass. I just wasn't sure if i was missing some kind of equation which would make that unnecessary. I understand that orbit is an elipse, and that what it orbits is one of the foci. is there any way to use that information without...
Homework Statement
Is it possible to figure out the orbital period of an object with only the orbital radius given? --- It seems to be with the equations given too little information
Homework Equations
The Attempt at a Solution