Question

the diameter of a wheel is 1.26 metre what is the diameter covered in 500 revolutions​

Answer 1

Dimensions of wheel-

Diameter =1.26m

Radius=1.26/2m=0.63 m or 630cm

Circumference of the wheel =

$2\pi \: r$

$(2 \times 22 \div 7 \times 630) \: cm$

$(2 \times 22 \times 90) \: cm$

$= 3960cm$

Total revolutions =500

Therefore Total distance travelled by the wheel

=No. of revolutions ×circumference of wheel

=(500×3960)cm

=1980000cm

=19800m

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