Suppose there is a CD that is rotating at a rate of 450 rpm. Suppose that there is a speck of dust that is 4 cm away from the center of the CD. What is the total distance traveled by that speck of dust

Ethan Long asked Apr 18, 2022

472,508 views

28 votes

Ethan Long asked Apr 18, 2022

2.6k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

24 votes

Answer:

d=226.2m

Explanation:

From the question we are told that:

Rotational Speed
N =450rpm

Time
T=2min=>120sec

Radius
r=4cm=>0.04m

Generally the equation for Distance Traveled is mathematically given by

$d=\omega*2\pi r*T$

$d=450*2*\pi*0.04*2$

d=226.2m

Mykaf answered Apr 24, 2022

by Mykaf

3.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers