A 62 kg boy swings a baseball bat, which causes a 0.10 kg baseball to move toward third base with a velocity of 42.0 m/s. Calculate the kinetic energy of the baseball.

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

The solid that is formed and usually sinks to the bottom of a solution is the