Question

find the speed of a point on the rim of a 24-cm diameter fly -wheel which is tuning at 2800 revolutions per minute. give your answer in meters per second.

Answer 1

i forgot to mention that take pie as 3.142 and give the answer correct to two decimal places if necessary.

Answer 2

since you know about π (<b>pi</b>), you ought to know that since C=2πr, you have

2π(24/2) cm/rev * 2800 rev/min * 1m/100cm * 1min/60s = 35.19 m/s