A 22-lb body is traveling in a horizontal straight line with a velocity of 11.1 ft/sec when a horizontal force P is applied to it at right angles to the initial direction of motion. If P varies according to the accompanying graph, remains constant in direction, and is the only force acting on the body in its plane of motion, find the magnitude of the velocity of the body when t = 1.6 sec and the angle 0 which the velocity makes with the direction of P.
A 22-lb body is traveling in a horizontal straight line with a velocity of 11.1 ft/sec when a horizontal force P is applied to it at right angles to the initial direction of motion. If P varies according to the accompanying graph, remains constant in direction, and is the only force acting on the body in its plane of motion, find the magnitude of the velocity of the body when t = 1.6 sec and the angle 0 which the velocity makes with the direction of P.
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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
Transcribed Image Text:A 22-lb body is traveling in a horizontal
straight line with a velocity of 11.1 ft/sec
when a horizontal force Pis applied to it at
right angles to the initial direction of motion.
If P varies according to the accompanying
graph, remains constant in direction, and is
the only force acting on the body in its plane
of motion, find the magnitude of the velocity
of the body whent = 1.6 sec and the angle 0
which the velocity makes with the direction
of P.
P, lb
5.2
2.6
0.8 1.2 1.6
t, sec
Answers:
V =
13.5
ft/sec
55.6
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