A particle moves along the x-axis with an initial velocity v = 50 m/s at the origin when t = 0. For the first 4 seconds it has no acceleration, and thereafter it is acted on by a retarding force which gives it a constant acceleration a, = -10 m/s? . Calculate the velocity and the x-coordinate of the particle for the conditions of t = 8 s and t = 12 s and find the maximum positive x-coordinate reached by the particle. or =, + at Solve the problem using the equations of constant acceleration - v + 2a(s - 5,) +a +s=s 10

A particle moves along the x-axis with an initial velocity v = 50 m/s at the origin when t = 0. For the first 4 seconds it has no acceleration, and thereafter it is acted on by a retarding force which gives it a constant acceleration a, = -10 m/s? . Calculate the velocity and the x-coordinate of the particle for the conditions of t = 8 s and t = 12 s and find the maximum positive x-coordinate reached by the particle. or =, + at Solve the problem using the equations of constant acceleration - v + 2a(s - 5,) +a +s=s 10

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Sample problem 2/2
A particle moves along the x-axis with an initial velocity v, =
50 m/s at the origin when t = 0. For the first 4 seconds it has no
acceleration, and thereafter it is acted on by a retarding force
which gives it a constant acceleration a, = -10 m/s?. Calculate
the velocity and the x-coordinate of the particle for the
conditions of t = 8 s and t = 12 s and find the maximum positive
x-coordinate reached by the particle.
Solve the problem
using the equations
of constant
acceleration
2- v + 2a(s - s,)
or s-s, +t

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