A 0.41 kg particle moves in an xy plane according to x(t) = -16 + 1 t - 3 t³ and y(t) = 22 + 3t-10 t², with x and y in mete and t in seconds. At t = 1.8 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the positive direction of the x axis) of the net force on the particle, and (c) what is the angle of the particle's direction of travel? (a) Number i (b) Number i (c) Number i Units Units Units

A 0.41 kg particle moves in an xy plane according to x(t) = -16 + 1 t - 3 t³ and y(t) = 22 + 3t-10 t², with x and y in mete and t in seconds. At t = 1.8 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the positive direction of the x axis) of the net force on the particle, and (c) what is the angle of the particle's direction of travel? (a) Number i (b) Number i (c) Number i Units Units Units

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

A 0.41 kg particle moves in an xy plane according to x(t) = - 16 + 1 t - 3 t³ and y(t) = 22 + 3 t - 10 t², with x and y in meter
and t in seconds. At t = 1.8 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the
positive direction of the x axis) of the net force on the particle, and (c) what is the angle of the particle's direction of
travel?
(a) Number i
(b) Number i
(c) Number i
Units
Units
Units
←
◄►

While two forces act on it, a particle is to move at the constant velocity = (3.58 m/s) - (-3.26 m/s). One of the forces
is F1 = (1.88 N) + (-5.85 N). What is the other force?
Number i
+
i
j Units

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