SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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m/s
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mph
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km/hr
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All of the above
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Detailed explanation-1: -We measure distance in the units of metre (m) or kilometre (km). We measure time in the units of second (s) or hours (h). Hence, the units for measuring the speed are m/s or km/h.
Detailed explanation-2: -Speed is a measure of how fast something is travelling. The most common units of speed are metres per second (m/s), kilometres per hour (km/h) and miles per hour (mph).
Detailed explanation-3: -unit of speed is meter per second. This means that to cover a distance of 1 meter, the time required is 1 second.
Detailed explanation-4: -kilometres per hour (symbol km/h); miles per hour (symbol mi/h or mph); knots (nautical miles per hour, symbol kn or kt); feet per second (symbol fps or ft/s);
Detailed explanation-5: -Hence, the SI Unit of speed is metre per second or m/s or m.s-1.