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The diameter of the wheel of a tractor is 2.1m. If the wheel completes 250 revolutions, find the distance covered by the wheel.
1) 1.75km
2) 1.60km
3) 1.55km
4) 1.65km
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Answered by
2
this will help you as I hope
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iNsAnE666:
but isn't circumference formula as 2*pi*r and when diameter is given shouldnt it be pi*d
bahi ye biikul right hai
are bahi d=2r
sorry bhai pehele samjha nahi thx
ok
Answered by
0
Hi !!!
Distance covered in 1 revolution = 2 π ( 2.1/2) = 6.92m
Now distance covered in 250 revolution = 250 ( 6.59m)
= 1647.5m
1km = 10³m
{1m = 1/ 10³ km}
1647.5 km / 1000}
= 1.64km.
Have a great future ahead.
Distance covered in 1 revolution = 2 π ( 2.1/2) = 6.92m
Now distance covered in 250 revolution = 250 ( 6.59m)
= 1647.5m
1km = 10³m
{1m = 1/ 10³ km}
1647.5 km / 1000}
= 1.64km.
Have a great future ahead.
but options doesnt have any answer close to your answer
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