Apane of glass is spray painted so as to be opaque; then, a razor is used to create one slash 0.50mm wide through the paint. calculate the width of the middle bright spot if a laser light of wavelength 650nm passes through the slash on to a wall 2.0m from the slash. a. 2.0mm b.2.3mm c.2.6mm d.5.3mm e. 8.8mm

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.

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