Raddhi left for school From her home at 7 00 am. the first one km of distance is travelled by the her the speed of 2.5m/s by her bicycle.when she was at 150meters away from school she heard the bell for assembly and rushed at a speed of 7.5m/s . Calculate the time taken by her to reach the school
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60s speed travel by 2.5m/s. 133.33333333s speed travel by 7.5m/s.
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Answer:
she reached school in 20 seconds
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