Projectile Motion: A projectile is fired from ground level on a horizontal plain. If the initial speed of the projectile is now doubled, and we neglect air resistance,
A. its range will be increased by 
.
B. its range will double.
C. its range will be decreased by a factor of two.
D. its range will quadruple.
E. its range will decrease by a factor of four.
Answer: D
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