Step-by-step explanation:
the answer is of no (D) .because it has the correct form
The conversion of 85 kilometer/hour to meter per second will be 85 × 1000/3600 meter/second so option (B) will be correct.
To convert any unit into another called unit conversion.
In order to convert unit we need to care about their dimensions thier dimension should not be change.
For example conversion of kilometer to meter is to multiply by 1000 but meter and kilometere both unit is for distance only.
Another example could be kilo gram to gram.
Given,
85 kilometer /hour
Now,
Since 1 kilometer = 1000 meter
And
1 hour = 60 minutes
Since 1 minute = 60 seconds
So,
60 minutes = 60 × 60 seconds
1 hour = 3600 seconds.
Now,
⇒ 85 kilometer /hour
⇒ (85 × 1 kilometer )/(1 hour)
Since,
1 kilometer = 1000 meter
1 hour = 3600 seconds
So,
(85 × 1 kilometer )/(1 hour) = (85 × 1000 meter )/(3600 second)
Hence, The conversion of 85 kilometers/hour to meters per second will be 85 × 1000/3600 meters/second.
To learn more about unit conversion,
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