Asked by kissy

traveling 60 mi/h what is the speed in feet per second. How do you find this
Answered by Ms. Sue
60 mile * 5,280 feet = feet per hour

60 seconds * feet per hour = feet per second

Answered by kissy
where did the number 5280 come from.. and i figured it would be with you numbers 19008000 feet per seconds correct.
Answered by Reiny
do it step by step

60 miles/1 hour
= 60(5280) feet/1 hour
= 316800 feet/60 minute
= 316800 feet/3600 seconds
= 88 feet/second
Answered by kissy
i am confused is it divid or times
Answered by Ms. Sue
Both * and () are symbols for multiplication.

Answered by Reiny
BTW, a rough estimate to change mph to feet/sec
is to take half of the rate in miles and add it on .
i.e. multiply the mph rate by 1.5

reason: 1 mph = 1.4666 feet/sec
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