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an indy race car can travel 111 m/s. what is the speed of the car in miles per hour?‚Äč

Chemistry
Tutor: None Selected Time limit: 1 Day

an indy race car can travel 111 m/s. what is the speed of the car in miles per hour?

Apr 7th, 2015

1609.34 meter = 1 miles

therefore 1 meter = 1/1609.34 miles

or, 111 meter = 1/1609.34 x 111 =0.069 miles

 3600 sec = 1 hour

1 second = 1/3600 hrs

111 m/sec  =   0.069 /(1/3600) = 3600 x 0.069 = 248.3 miles/hr

Please ask if you have any doubt ......

Apr 7th, 2015

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