When something is thrown over large distances (on Earth), what new factor comes into play?
a. The curvature of the Earth.
b. The increase in gravity over long distances.
c. The decrease in gravity over long distances.
d. The tendency of thrown objects to fall to the ground.
e. The difference between miles and kilometers.
Question 2
If there were no air resistance and no gravity:
a. an object thrown at an angle upward would come down, but more slowly than it does on Earth.
b. an object thrown at an angle upward would eventually change direction to move at constant height, rather than up.
c. an object thrown at an angle upward would come down the same way it does on Earth.
d. an object thrown at an angle upward would slow down and stop.
e. an object thrown at an angle upward would keep going up in the same direction for ever and never come down.
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