A girl leaves school at 3 P.m. and starts walking towards her home. Her house is 4 Km away from school. she reaches home at 3:30Pm. find her average speed.
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Step-by-step explanation:
Let assume that the school is A and her home is B.
A----------4km-----------B
Now average speed is the average distance upon time.
Here the distance is 4km = 4000m
And time is 30 minutes = 1800 sec
So, speed = 4000/1800
Therefore we get 40/18 m/s² = 0.5 m/s²
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Step-by-step explanation:
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