A wheel of circumference 120cm makes 70revolutions per second.How long will it take to cover a distance of 6.3km?
Answers
Answered by
3
total distance covered per second =120 x 70 cm=8400cm
now
time=distance /distance covered per sec
=6.3km/8400cm/sec=6300m/84m/sec
=75sec
now
time=distance /distance covered per sec
=6.3km/8400cm/sec=6300m/84m/sec
=75sec
abhi178:
are you understand
yup...i understood.thnk u so much for u answers..
Answered by
2
speed of wheel=1.2×70= 84m/s
s=vt
6300=84t
=>t=75
required time= 75s
s=vt
6300=84t
=>t=75
required time= 75s
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