A skier starts down a frictionless 28 â slope. After a vertical drop of 20 m , the slope temporarily levels out and then drops at 15 â an additional 44 m vertically before leveling out again.

What is the skier's speed on the upper level stretch?

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear