Question 1 of 15
2 points
a skydiver slows down from 54 m/s to 4 m/s by opening his parachute. if this
takes 0.75 seconds, what is the magnitude of the skydiver's acceleration?

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.