a bicycle wheel of radius 35cm is making 25 revolutions in 10 seconds at what speed in km/hr is - Maths - Areas Related to Circles

Question

a bicycle wheel of radius 35cm is making 25 revolutions in 10
seconds at what speed in km/hr is the cycle moving

Manmeet Singh · Accepted Answer

The radius of wheel = r =35 cm The circumference of wheel = $2 π r = 2 \times \frac{22}{7} \times 35 = 220 c m$ Distance travelled in 10 sec = 25 revolutions = $25 \times 220 = 5500 c m$ Speed = $\frac{d i s \tan c e}{t i m e} = \frac{5500 c m}{10 \sec} = \frac{5500}{10} \times \frac{3600}{100000} k m / h r = 19 8 k m / h r$

a bicycle wheel of radius 35cm is making 25 revolutions in 10 seconds. at what speed in km/hr is the cycle moving.