what do you mean by speed?calculate the speed of a car if it covers 160 km in 4 hours
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Speed is a distance travelled by an object per unit time.
Speed=Distance travelled/Time taken
Speed=160/4
Speed=40km/hr
Si unit of speed is m/s.
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Answer:
HOLA
SPPED
Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. ... Lower speed means it is moving slower. If it isn't moving at all, it has zero speed
spped = d/t = 160 /4 = 40 km/hr
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