Answer:
Velocity is expressed in displacement per unit time.
Explanation:
Velocity is a vector quantity which has a magnitude and direction. For the magnitude, it is expressed in distance per unit time. Speed refers to the magnitude of a velocity. The units of measurement used for velocity are meter per second (m/s), centimeter per second (cm/s), kilometer per hour (km/h or kph), miles per hour (mi/h or mph), feet per second (ft/s).
Examples of velocity (magnitude only):
1. A man walks 5 km/h everyday to do his exercise routine.
2. The speed of light 3 x [tex]10^{8}[/tex] m/s.
3. Drizzle fall on the Earth in a speed of 200 cm/s.
4. The speed of a sound travels at a rate of 1,125.33 ft/s
5. A super typhoon has a wind speed of 120 mph.
Examples of velocity (magnitude and direction)
1. A car is driving at 55 miles per hour westwards.
2. A severe typhoon has winds of at least 90 miles per hour (mph) due
north.
3. A boat is sailing 30 degrees towards North of East with a speed of 2
km/h.
4. A man walked 2 m/s east then another 2 m/s south.
5. A balloon flies up in the air with a speed of 3 m/s.
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