Which of the following particles would experience the most force in a magnetic field?
a fast moving proton
a slow moving proton
a slow moving neutron
a fast moving neutron

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)