A student riding on a bicycle reacjes his school in 20 min .the school is 2 km far from his house. Calculate the speed...
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Answer:
as we know,
speed=Distance/time (1)
given:
Distance: 2km=2000m
time: 20min.=20×60=1200seconds
substitute these values in eqn. 1
speed=2000 m /1200 sec.
speed= 1.66 m/sec.~1.67 m/sec.
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