Question

A Wheel 14 cm in diameter makes 3000
revolution per minute find its speed in
M/sec​

Answer 1

Diameter = 14 cm = 0.14 m

Revolutions per minute = 3000

Revolutions per second = 3000/60 = 50

Distance covered in one second = 50 * 0.14 = 7m

Speed = Distance/Time = 7/1 = 7m/s