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.]

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points