Which statement describes the magnetic force on a charged particle when the particle is moving at a right angle to the field

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

What are atoms of the same element with varying number of neutrons

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass