Determine the time it takes for a satellite to orbit the moon in a circular "near-moon" orbit. a "near-moon" orbit is at a height above the surface of the moon that is very small compared to the radius of the moon. [hint: you may take the acceleration due to gravity as essentially the same as that on the surface.]

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Could we see a galaxy that is 20 billion light-years away?