A 9 kg object starting from rest falls through a viscous medium and experiences a resistive force R = −b v, where v is the velocity of the object. The acceleration of gravity is 9.8 m/s^2. a) If the object’s speed reaches one-half its terminal speed in 5.24s, determine the terminal speed. Answer in units of m/s. b) At what time is the speed of the object threefourths the terminal speed? Answer in units of s. c) How far has the object traveled in the first 5.24s of motion? Answer in units of m.
A 9 kg object starting from rest falls through a viscous medium and experiences a resistive force R = −b v, where v is the velocity of the object. The acceleration of gravity is 9.8 m/s^2. a) If the object’s speed reaches one-half its terminal speed in 5.24s, determine the terminal speed. Answer in units of m/s. b) At what time is the speed of the object threefourths the terminal speed? Answer in units of s. c) How far has the object traveled in the first 5.24s of motion? Answer in units of m.
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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A 9 kg object starting from rest falls through
a viscous medium and experiences a resistive
force R = −b v, where v is the velocity of the
object.
The acceleration of gravity is 9.8 m/s^2.
a) If the object’s speed reaches one-half its terminal speed in 5.24s, determine the terminal
speed.
Answer in units of m/s.
b) At what time is the speed of the object threefourths the terminal speed?
Answer in units of s.
c) How far has the object traveled in the first 5.24s of motion?
Answer in units of m.
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