Answered: If drag produces an opposing force of…

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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If drag produces an opposing force of 10 N while the ball's falling, what is the ball's speed, v_f in m/s, when it strikes the ground? Assume the ball has a mass of 5 kg.

Expert Solution

Step 1

There should be value of height H mentioned in the question. Since it is not given, let us take it as h.

The ball has its weight acting vertically downwards and the drag force 10 N acting vertically upward. We equate the forces in the vertical direction to find the resultant acceleration.

The velocity of a ball dropped from a certain height experiencing an acceleration a is given by

$v = \sqrt{2 a h}$ , where

a = the net acceleration experienced by the body,

h = height from which the ball is dropped.

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