A5.0 mev (kinetic energy) proton enters a 0.21 t field, in a plane perpendicular to the field. what is the radius of its path?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

What happens when the vapor pressure of a liquid is equal to the external pressure?