Monica takes 20 minutes from her house to reach her school on a bicycle. if the bicycle has a speed of 3m/s calculate the distance between her house and the school in kilometres
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Step-by-step explanation:
ANSWER
(e) Since the units in the question and choices are different, we have to equalize them.
speed of Riaz v=3m/s
Step 1 :
Time taken t=20 min=20 × 60=1200 s
Step 2 :
Distance covered d=v×t=3×1200=36000 m
Since we know, 1000 m=1 km
⟹ d=
1000
36000
=3.6 km
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