Why does a can of diet cola float in water but a can of regular cola does not

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?