Refer to the drawing shown here (Figure 5.1 from the textbook). Look at Points 1
ID: 1334084 • Letter: R
Question
Refer to the drawing shown here (Figure 5.1 from the textbook). Look at Points 1, 2, 3, and 4 on the surface of a DVD as it rotates at a steady rate. Which point is moving with the greatest linear velocity (in m/s)?
Refer to the drawing shown here (Figure 5.1 from the textbook). Look at Points 1, 2,3, and 4 on the surface of a DVD as it rotates at a steady rate. Which point is moving with the greatest linear veloc in m/s)? 42 3' 2' 1 2 3 4 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. A. Point1 O B. Point 2 C. Point D. Point4Explanation / Answer
Suppose angular velocity od rotation is w.
then linear velocity of point a radial distance of r is
v = w r
point 4 has largest r.
so velocity of 4 will be greatest.
Ans (POint 4) D