How long does it take the ball to reach the batter?

Question

A baseball pitcher throws a ball at 42m/s. If the batter is 18m from the pitcher, approximately how long does it take the ball to reach the batter?

 

Multiple Choice:

A) 1.9 sec

B) 2.3 sec

C) 0.86 sec

D) 0.43 sec

 

I know the answer is D) 0.43 sec but why? SHOW WORK

Answer 1

You have to apply the formula distance=rate*time

So: 18=42t

t=0.43