If a 60-kilogram person climbs a 10-meter tall staircase in 6 seconds, how much power did they generate in
climbing the stairs? Show work (2 pts)

a. 600 W
b. 6 W
c. 600 J
d. 100 J
e. 1,000 W

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

Which statement best explains why the overall charge on an atom is zero?

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