Car company wants to build a wind- powered car that converts 100 percent of the mechanical energy in the wind to the mechanical energy of the moving car. explain why the company will fail.

EVEN IF they can build such a machine, it's not too useful.

-- If the wind starts and stops, your car would do the same thing.

-- If the wind isn't blowing at all, your car is going nowhere. (and fast)

-- You could never move along the road faster than the wind is moving along the road.

-- You could never move in the direction towards where the wind is coming from.  This has been proven before, with the technological marvel known as the "sailboat".

Call your broker immediately.  Tell him you do NOT want to buy any stock in CarCompany.

there are no components of a physical goal mentioned on the list of choices that you've provided.