In a physics lab, a 60-kg student runs up a 2.0-meter tall flight of stairs in 1.5 seconds. The student's power rating is approximately a. 20 b. 45 c. 80 d. 180 e. 200 f. 450 g. 800 h. 1800 w.

Identify the non metal in these compounds mgo nah albr3 and fes

What would happen if you did not experience frictional forces as you walked

Bronsted lowry acids. donate protons

A proton and an antiproton each with total energy of 473 GeV collide head-on. What is the total energy released? Answer in units of GeV

Why are metals better conductors of electricity than glass or ceramic materials?

A hot-air balloon is ascending at the rate of 14 m/s and is 84 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

Now assume that the pitcher in Part D throws a 0.145-kgkg baseball parallel to the ground with a speed of 32 m/sm/s in the + x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line.

How far away is a cliff if an echo is heard 0.486 s after the original sound? Assume that sound traveled at 343 m/s on that day.

Rafael swings a baseball bat with a force of 25 N. The baseball bat exerts a force of 5 N on the baseball. What is the mechanical advantage of the baseball bat? The mechanical advantage of the baseball bat is

Minerals such as sulfur can sometimes be identified by colors, true or false.