Answered: There is a clever kitchen gadget for…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes. You put the wet leaves in the container and turn the crank to spin off the water. The radius of the container is 14.9 cm. When the cylinder is rotating at 1.28 revolutions per second, what is the magnitude of the centripetal acceleration at the outer wall?

_____ m/s^2

Expert Solution

Step 1

$R a d i u s o f c o n t a i n e r (r) = 14.9 c m = 0.149 m A n g u l a r v e l o c i t y (ω) = 1.28 \frac{r e v o l u t i o n s}{s e c} = 1.28 \times 2 π \frac{rad}{\sec} = 8.04 \frac{rad}{\sec}$

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