A body at rest and of mass 5kg is acted upon by a force of 20N for 0.25. Find ,1) the increase in mome ntum
ii; the final speed of the body.

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.