Question

12. A wheel, 14 cm in diameter, makes 3000 revolutions per minute. Find its speed in m/sec.​

Answer 1

Answer:

Circumference=2πr

2x22/7x7

44cm

1m=100cm

44/100=0.44m

1min=60 sec

3000/60=50

0.44x50=22

so,22m/s