In a physics lab, a 60-kg student runs up a 2.0-meter tall flight of stairs in 1.5 seconds. the work done to get to the top is 1200 joules. the student's power rating is approximately _w.

Which instrument is used to measure air temperature

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

How do you know how many valence electrons an atom has?