A student uses an audio oscillator (sound source) of adjustable frequency to measure the depth of a water well. student oBserves resonance when the oscillator set tO 33.36 Hz And again at 42.88 Hz. No resonance is observed between these two frequencies. How tar below the opening of the well is the water level

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation