Question

Sita is driving a car .A wheel of the cart is making 6revolution per second .If diameter of wheel is 9cm find speed

Answer 1

Answer:

Here:

Given:No of revolution=n=6

Time=1sec

Diameter=42 so radius =42÷2

To find:Speed of the cart.

Solution:let C=n×2πr

C=6×2×22÷7×42÷2

C=6×22×6

C=36×22

C=792

So speed of the cart=circumference÷time

Speed =792÷1

So speed of the cart is 792

Step-by-step explanation: