SOLUTION: 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 len

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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

Answer by munisa(5) About Me  (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