The apparent coefficient of expansion of a liquid when heated in a copper vessel is
Cand when heated in a silver vessel is 5.
If A is the linear coefficient of expansion
of copper, then the linear coefficient of
expansion of silver
is
a) (C+S-3A)/3
b) (C + 3A -S)/3
c) (S+3A-C)/3
d) (C+S+3A)/3

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.