Question

The radius of a circular wheel is 2.1 m.
a) Find the distance travelled by it in one revolution
b) Find the area covered within the circular wheel
c) If the wheel takes 220 seconds to make 100 revolutions, find its speed

Answer 1

Answer:

Radius =21cm

Circumference of The Tyre=2πr

= 2x22/7x21

=132 cm

Distance to be covered=924m=92400cm

Therefore number of Revolutions=92400/132

=700

Therefore 700 revolutions