a) State the time interval(s) when the object is moving: i) away from the origin ii) towards the origin ii) at a positive, constant velocity iv) at a negative, constant velocity v) at a variable velocity vi) when the object is motionless b) What is the object's velocity: i) between 0 and 10 s ii) between 20 and 30 s c) What is the object's: i) average velocity between 25 and 45 s. ii) instantaneous velocity at 35 s.
a) State the time interval(s) when the object is moving: i) away from the origin ii) towards the origin ii) at a positive, constant velocity iv) at a negative, constant velocity v) at a variable velocity vi) when the object is motionless b) What is the object's velocity: i) between 0 and 10 s ii) between 20 and 30 s c) What is the object's: i) average velocity between 25 and 45 s. ii) instantaneous velocity at 35 s.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The position of an object over time is shown by the following graph.
Displacement
d (m)
60-
50
Note: The graph is curved
between 50-60 s
40
30
20
10
10
20 30 40 50
60 t(s)
a) State the time interval(s) when the object is moving:
i) away from the origin
ii) towards the origin
iii) at a positive, constant velocity
iv) at a negative, constant velocity
v) at a variable velocity
vi) when the object is motionless
b) What is the object's velocity:
i) between 0 and 10 s
ii) between 20 and 30 s
c) What is the object's:
i) average velocity between 25 and 45 s.
ii) instantaneous velocity at 35 s.
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