If there were no gravity, a cannonball fired upward at 45° would follow a straight-line path. Due to gravity, however, at the end of 3 s it is
A) 5 m below the straight line.
B) 10 m below the straight line.
C) 15 m below the straight line.
D) 20 m below the straight line.
E) more than 20 m below the straight line.
Answer: E
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