15SophieN 15SophieN

03-02-2018
Physics

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How long does it take my mum to walk 5 metres if she is travelling at a speed of 1 km/h

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annastasia annastasia

03-02-2018

1 km/hr = 1000/3600 m/s = 5/18 m/s

time taken = 5 x 18/5 sec = 18 sec

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