Askater is standing still on a frictionless rink. herfriend
throws a frisbee straight at her. in which of the followingcases is
the largest momentum transferred to the skater?
a) the skater catches the frisbee and hols onto it.
b) the sjater catches the frisbee momentarily, but then
dropsit vertically downward.
c) the skater catches the frisbee, holds it momentarily,
andthrows it back to her friend.

Acyclotron is used to produce a beam of high-energy deuterons that then collide with a target to produce radioactive isotopes for a medical procedure. deuterons are nuclei of deuterium, an isotope of hydrogen, consisting of one neutron and one proton, with total mass 3.34×10−27kg. the deuterons exit the cyclotron with a kinetic energy of 6.40 mev .a-what is the speed of the deuterons when they exit? b-if the magnetic field inside the cyclotron is 1.25 t, what is the diameter of the deuterons' largest orbit, just before they exit? c-if the beam current is 350 μa how many deuterons strike the target each second?