Answered: (++612- 15t+7) m where t is in seconds.…

(++612- 15t+7) m where t is in seconds. a. determine when the particle changes direction and it's displacer instant. b. sketch the path of the particle for the duration 0

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

The movement of a particle along a straight line is defined by the relationship
s = (13 +612 – 15t +7) m where t is in seconds.
a. determine when the particle changes direction and it's displacement at that
instant.
b. sketch the path of the particle for the duration 0<t<6 s below.
reference
A particle moves along a straight line ac-
v (m/s)
cording to the (v-t) graph shown. Given
8
that s = -10 m when t = 0 s, determine
%3D
a. the maximum displacement and the
2
total distance traveled for the 25 sec-
15
25
onds period.
b. plot the (s-t) graph for 0<t<25 s. -4
(Answer: t= 1 s, s = -1 m
5
10
t (s)
Smax
= 30 m, stotal = 60 m)
%3D

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