Whenever you work a physics problem you should get into the habit of thinking about whether the answer is physically realistic. Think about how far off the ground a typical small truck is. Is the answer to Part B physically realistic?

Yes, the answer on how far off the ground a typical truck is happens to be physically realistic.

Explanation:

This concept could be explained with when someone is viewing a picture from a particular distance. The farther the person is from the picture, the smaller the details of the picture and the higher they picture would be unappriciated and vice versa.

Likewise the small truck on ground. The distance off ground the truck is being viewed, the smaller the truck would become.

a 2,000 calorie based diet.

b. a lightning bug, plug of grass, and a worm