A golfer hits a ball on a level fairway at an angle of 30 relative to the horizontal, and it lands on the green. Another golfer hits a ball with the same speed but at an angle of 60, and it lands on the green by the other ball. Which statement is accurate for this situation?
a. One ball is in the air longer than the other.
b. One ball experiences a greater acceleration while in free flight.
c. One ball experiences a smaller acceleration while in free flight.
d. Two balls hit at the same speed but different angles will always land in the same location.
e. Two balls hit at the same speed but different angles can never land in the same location.
Question 2
The rate of a chemical reaction would be decreased by
a. stirring the reactants.
b. increasing the concentration of the reactants.
c. adding a catalyst to the reactants.
d. cooling the reactants.
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