Question

A car travels 100 meters in 5 seconds , what is the speed of the car ? speed=distance/time ; 1 mile = 1609 meters

Answer 1

remember speed = distance/time 1min / sec is 2.237 mile /hour
Using the conversion factor the speed of the car is 44.74 miles / hours

Answer 2

`(100 meters)/(5seconds)*(mile)/(1609meters)*(3600seconds)/(hour)=(20)/(1)*(mile)/(1609)*(3600)/(hour)=`
44.75mph