A car travelled 150 metre in 10 second.
What is its speed?
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Answer:
15m/sec
900m/min
54000m/hr
54 km/hr
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50m per 10s — ( x20 ) convert to km
= 1km per 200s — ( ÷5, x8 ) convert to miles
(200 ÷ 5 = 40, x 8 = 320)
= 1mile per 320 second
( divide 3600 (number of seconds in an hour) by 320 and multiply both sides by the result (11.25), to convert to mph )
50m per 10s = 11.25 miles per hour.
*** edit, multiply the answer by 5 then divide by 8 to convert to kph depending how you want your answer. Hope this helps. would be 18 kph***
= 1km per 200s — ( ÷5, x8 ) convert to miles
(200 ÷ 5 = 40, x 8 = 320)
= 1mile per 320 second
( divide 3600 (number of seconds in an hour) by 320 and multiply both sides by the result (11.25), to convert to mph )
50m per 10s = 11.25 miles per hour.
*** edit, multiply the answer by 5 then divide by 8 to convert to kph depending how you want your answer. Hope this helps. would be 18 kph***
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