How many revolutions will a wheel of radius 3.5 cms make in traveling 5.5 km?
1) 50,000
2) 15,000
3)25,000 4) 35.000 5) No
Answers
Answered by
6
Answer:
4
Step-by-step explanation:
Diameter of a wheel=28cm
Radius of a wheel=
2
28
=14cm
Distance travelled to make one revolution=Circumference of the wheel=2πr
2π×r=2×
7
22
×14=88cm
To make one revolution the wheel has to travel=88cm
Number of revolutions to travel 352m is =
Distancetravelledtomakeonerevolution
Totaldistancetravelled
=
88
352
=4
Similar questions