Help me to finish my task a beam of singly ionized (1+) lithium atoms (m = 7m proton) is accelerated by a potential difference of 320 v. the beam passes through a magnetic field of 1.5x10-2 t. what is the radius of curvature of the beam in the magnetic field?

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?