keryakose keryakose

02-08-2017
Physics

contestada

Steve and Carl are driving from Scranton to Bridgeport, a distance of 180 miles. If their speed averages 60 miles an hour, how long will it take them to get there? A. 3.5 hours B. 2.5 hours C. 4 hours D. 3 hours

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CuriousFellow CuriousFellow

02-08-2017

D. 3 hours
av velocity= total distance travelled÷total time taken
60mph=180m÷x hr
x= 180/60=3hr

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RickyChen RickyChen

02-08-2017

By definition of speed:

Speed = Distance / Time

So, Time = Distance / Speed = 180 / 60 = 3 hours

Answer is D

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