A stone is dropped at
t=0
. A second stone, with 2 times the mass of the first, is dresped from the same point at t
=75
ma. (a) How far below the release point is the center of mass of the two stones at
t=270ma
(Neither stone has yet reached the ground)(D) How fast is the center of mass of the two-stone system moving at that time? (a) Number
?
Units
?
(b) Number
?
Units
?