<span>There are three temperature scales in use today, Fahrenheit, Celsius and Kelvin. Fahrenheit temperature scale is a scale based on 32 for the freezing point of water and 212 for the boiling point of water, the interval between the two being divided into 180 parts.</span>
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This is true. Hope this helped:)
To find momentum you multiply the mass and velocity.
91 × 7 = 637 kg-m/s
