What does the "c^2" mean in E=mc^2? * A. Mass times 2
B. speed of light times itself
C. speed of light times 2

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Observations show that interstellar clouds can have almost any shape and