GCSE Physics 2020-2022 OCR Gateway: How can you:
-Convert from Miles per Hour [mph] to Kilometres per Hour [km/hr]
-Convert from Kilometres per Hour to Meters per Second [m/s]

Question

How can you:
-Convert from Miles per Hour [mph] to Kilometres per Hour [km/hr] 
-Convert from Kilometres per Hour to Meters per Second [m/s]

eric_galvao · Accepted Answer

-Simply Multiply by 1.6, as 1 Mile = 1.6 km. [30 mph = 30 mph x 1.6 = 48 km/h] 
-Simply DIVIDE by 3600, from Hours to Seconds - and then MULTIPLY by 1000, from Kilometres to Meters. [OR Divide by 3.6] [48km/h / 3.6 = 13 m/s]

GCSE Physics 2020-2022 OCR Gateway

How can you: -Convert from Miles per Hour [mph] to Kilometres per Hour [km/hr] -Convert from Kilometres per Hour to Meters per Second [m/s]

-Simply Multiply by 1.6, as 1 Mile = 1.6 km. [30 mph = 30 mph x 1.6 = 48 km/h] -Simply DIVIDE by 3600, from Hours to Seconds - and then MULTIPLY by 1000, from Kilometres to Meters. [OR Divide by 3.6] [48km/h / 3.6 = 13 m/s]

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