Question 152976This question is from textbook Chemistry
: The tennis court is 78 ft long and 27 ft wide. Here is the question. If a serve is measured at 185 km per hour, how many seconds does it take for the tennis ball to travel the length of the court?This question is from textbook Chemistry
: The tennis court is 78 ft long and 27 ft wide. Here is the question. If a serve is measured at 185 km per hour, how many seconds does it take for the tennis ball to travel the length of the court? Answer by munisa(5) (Show Source):
You can put this solution on YOUR website! 1 ft=0.3048m
1 km=1000m
Therefore, 1 ft=0.3048/1000 km
78 ft= 78*.3048/1000
=0.023774km
Time=Distance/speed
=0.023774/185
Time in seconds=60*60*0.023774/185
=0.463
