2.What is the impulse of a bat on a ball that is hit for 0.050s with a force of
45N?

Which best describes the difference between internal and thermal energy?

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