Flip the magnet (bottom right image with the circular arrows around the magnet) and repeat the procedures above, do you notice any differences? Why or why not?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

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.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c