Suppose you increase your walking speed from 1m/s to 3m/s in a period of 1s. what is your acceleration

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.