How many revolutions will a circular disk with a diameter of 3 feet have completed after it has rolled 18 feet?

Question

asked Mar 21, 2023 34.2k views

1 Answer

Kycklingsylt · Answer 1 · 2023-03-25T04:40:25+0000

SOLUTION

The circumference of a circle is given as:

$C=\pi d$

The diameter of the circular disc is 3 feet'

It follows:

$\begin{gathered} C=3\pi \\ C=9.4 \end{gathered}$

Therefore the number of revolution is:

Therefore the number of revolution is approximately 2 revolutions