Question

the number of revolution made by wheel travellingover a fixed distance various universally to rhe radius of wheel . a wheel of 12inchradius make 100revolution . how many revolurion take would a wheel of 16 inch radius require to travel to same dis tance​

Answer 1

Answer:

for one revolution it cover distance=2πr

=2×π×12

so for 100 revolution =2π××12×100

according to question

2π×12×100=2π×16×n

n=75