B. Use the equation for KE to answer the following questions. (2 points) i. Show how the equation for KE has units of joules. (1 point)

ii. Show how the equation for KE = force x distance. (1 point)

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

How many moles are contained in 5.6 l of h2 at stp