In chemistry, reduction occurs when a substance
A) accepts electrons
B) loses electrons
C) rearranges its electrons internally
D) breaks into its constituent atoms
Question 2
You hit a handball too hard, and it lands horizontally on top of a roof. If its original velocity was vo at an angle above the horizontal, then it lands on the roof with a velocity of
A) vo sin
B) 2vo
C) vo cos
D) zero
E) vo
