During which time interval or intervals is the speed constant? i only ii only i and ii iii and iv 1210v (m/s)810203040t (s)iii. 15-20 secondsi. 0-5 secondsii. 5-15 secondsiv. 20-40 seconds

Speed is constant it means acceleration of that particle is constant. Also from equation of motion…

Answered: 12 10 v (m/s) 8 10 20 30 40 t (s) iii.…

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Physics

12 10 v (m/s) 8 10 20 30 40 t (s) iii. 15-20 seconds i. 0-5 seconds ii. 5-15 seconds iv. 20-40 seconds

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter8: Electromagnetism And Em Waves

Section: Chapter Questions

Problem 2AA

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

During which time interval or intervals is the speed constant?

i only
ii only
i and ii
iii and iv

12
10
v (m/s)
8
10
20
30
40
t (s)
iii. 15-20 seconds
i. 0-5 seconds
ii. 5-15 seconds
iv. 20-40 seconds

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