girl drove to a hospital from her home and noted the odometer reading of her car increased by 12 km. The trip took 18 minutes. (i) What was her average speed? (ii) If she returned home by the same path 7h30min after she left, what was her average speed and velocity for the entire trip.
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Answer:
2) I think second is a right answer
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3
Answer:
sorry, can't able to answer
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