posted by Anonymous .
It took 0.45 s for a fastball to reach the batter. If the pitcher is 18 m away from the batter, how fast was the fastball pitch?
A. 0.025 m/s
B. 8.1 m/s
C. 18 m/s
D. 40 m/s
I say it is D. To let you know; this is not a test, it's only a practise quiz I'm doing.
You are lucky, d is the answer.