5. A particle has an initial velocity of 30 ft/s to the left. If it then passes through the same location 5 seconds later with a velocity of 50 ft/s to the right, the average velocity of the particle during the 5 s time interval is a. 10 ft/s → b. 40 ft/s → c. 16 ft/s → d. 0 ft/s Please help with question

5. A particle has an initial velocity of 30 ft/s to the left. If it then passes through the same location 5 seconds later with a velocity of 50 ft/s to the right, the average velocity of the particle during the 5 s time interval is a. 10 ft/s → b. 40 ft/s → c. 16 ft/s → d. 0 ft/s Please help with question

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

4. A particle moves along a horizontal path with its velocity varying with time as shown.
The average acceleration of the particle is
a. 0.4 m/s² →
b. 0.4 m/s2.
c. 1.6 m/s².
d. 1.6 m/s²
3 m/s
t=2s
b.
c.
d. 0 ft/s
40 ft/s →
16 ft/s →
5 m/s
5. A particle has an initial velocity of 30 ft/s to the left. If it then passes through the same
location 5 seconds later with a velocity of 50 ft/s to the right, the average velocity of the
particle during the 5 s time interval is
a. 10 ft/s →
t=7s
Please help with question 5

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