Agoat enclosure is in the shape of a right triangle. one leg of the enclosure is built against the side of the barn. the other leg is 2 feet more than the leg against the barn. the hypotenuse is 4 feet more than the leg along the barn. find the length, in feet, of the three sides of the goat enclosure. (simplify your answers completely.)

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?