A child drops a toy with a mass of 200 g from the balcony of a building 20 m as tall as he is, vertically starting from rest. Assume that the force of air resistance is proportional to the instantaneous speed of the toy, which takes 3 s to hit the ground. If the acceleration due to gravity is 9.8 m/s2 (a) Write a differential equation and the conditions to determine the position of the toy in any instant t. (b) Determine the equation of motion of the toy. (c) Find the limit speed of the toy.
A child drops a toy with a mass of 200 g from the balcony of a building 20 m as tall as he is, vertically starting from rest. Assume that the force of air resistance is proportional to the instantaneous speed of the toy, which takes 3 s to hit the ground. If the acceleration due to gravity is 9.8 m/s2 (a) Write a differential equation and the conditions to determine the position of the toy in any instant t. (b) Determine the equation of motion of the toy. (c) Find the limit speed of the toy.
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 7STP
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