College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
Related questions
Question
please help with questions 25,26,27,28
Transcribed Image Text:Base your answers to questions 24 through 28
on the following four graphs, which represent
the relationship between speed and time for
four different objects, A, B, C, and D moving, in
a straight line.
10.0
30
30
20
20
ip
10+
10+
0-
+
+
0-
2
3.
Time (s)
1
0.
1
Time (s)
30+
30+
20
20
10+
10
0-
1
Time (s)
+
0.
Time (s)
3.
24. Which object had a retarding force acting on it?
25. Which object was not accelerating?
26. Which object traveled the greatest distance in
the 3.0-second time interval?
Speed (m/s)
Speed (m/s)
Speed (m/s)
Speed (m/s)
![STADLES
27. Which object had the greatest acceleration?
28. Compared to the average speed of object A,
the average speed of object D is
34. What is the average velocity of the object from
t = 0 to t =3 seconds?
(1) 1 m/s
(2) 2 m/s
(3) 3 m/s
(4) 0 m/s
35. During which time interval is the object
accelerating?
(1) less
(3) the same
(2) greater
29. An object initially traveling at 20. meters
per second west accelerates uniformly at
4.0 meters per second? east for 2.0 seconds.
The displacement of the object during these
2.0 seconds is
36. Which quantity is constant for a freely falling
object near Earth's surface?
(1) displacement
(2) speed
(3) velocity
(4) acceleration
(1) 32 m east
(2) 32 m west
(3) 48 m east
(4) 48 m west
37. Which graph best represents the motion of an
object falling from rest near Earth's surface?
(Neglect friction.]
30. An object initially traveling at 20. meters per
second south accelerates uniformly at 6.0 meters
per second? north and is displaced 25 meters.
The final velocity of the object is
(1) 26 m/s north
(2) 26 m/s south
(3) 10. m/s north
(4) 10. m/s south
Time
Time
(1)
(3)
31. The time-rate of change of displacement is
(1) acceleration
(2) distance
(3) speed
(4) velocity
Base your answers to questions 32 through 35
on the following graph, which represents the
relationship between the displacement of an
object and time.
Time
Time
(2)
(4)
38. What is the total distance that an object near
the surface of Earth falling freely from rest
travels in 3.0 seconds?
Displacement vs. Time
(1) 88 m
(2) 44 m
(3) 29 m
(4) 9.8 m
39. An object starts from rest and falls freely near
Earth's surface for 3.00 seconds. Calculate the
final speed of the object.
the
40. An object is thrown vertically upward from
surface of Earth. Which graph best represents
the relationship between velocity and time fa
the object as it rises and then returns to Earth
1
6.
Time (s)
32. How far is the object from the starting point at
the end of 3 seconds?
Time
Time
Time
33. During which time interval is the object at rest?
(1)
(2)
(3)
Statics
he branch of mechanics that treats forces which act on objects at rest is
alled statics A force is a push or pull measured in newtons, N. a derived
Displacement (m)
Velocity
Distance
pəəds
pəəds
Velocity](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3c599cb-9191-4a8c-adef-2b412953373d%2Fbe962173-b3cd-45b2-bb86-b0f10b532ebf%2Fmyqi71_processed.jpeg&w=3840&q=75)
Transcribed Image Text:STADLES
27. Which object had the greatest acceleration?
28. Compared to the average speed of object A,
the average speed of object D is
34. What is the average velocity of the object from
t = 0 to t =3 seconds?
(1) 1 m/s
(2) 2 m/s
(3) 3 m/s
(4) 0 m/s
35. During which time interval is the object
accelerating?
(1) less
(3) the same
(2) greater
29. An object initially traveling at 20. meters
per second west accelerates uniformly at
4.0 meters per second? east for 2.0 seconds.
The displacement of the object during these
2.0 seconds is
36. Which quantity is constant for a freely falling
object near Earth's surface?
(1) displacement
(2) speed
(3) velocity
(4) acceleration
(1) 32 m east
(2) 32 m west
(3) 48 m east
(4) 48 m west
37. Which graph best represents the motion of an
object falling from rest near Earth's surface?
(Neglect friction.]
30. An object initially traveling at 20. meters per
second south accelerates uniformly at 6.0 meters
per second? north and is displaced 25 meters.
The final velocity of the object is
(1) 26 m/s north
(2) 26 m/s south
(3) 10. m/s north
(4) 10. m/s south
Time
Time
(1)
(3)
31. The time-rate of change of displacement is
(1) acceleration
(2) distance
(3) speed
(4) velocity
Base your answers to questions 32 through 35
on the following graph, which represents the
relationship between the displacement of an
object and time.
Time
Time
(2)
(4)
38. What is the total distance that an object near
the surface of Earth falling freely from rest
travels in 3.0 seconds?
Displacement vs. Time
(1) 88 m
(2) 44 m
(3) 29 m
(4) 9.8 m
39. An object starts from rest and falls freely near
Earth's surface for 3.00 seconds. Calculate the
final speed of the object.
the
40. An object is thrown vertically upward from
surface of Earth. Which graph best represents
the relationship between velocity and time fa
the object as it rises and then returns to Earth
1
6.
Time (s)
32. How far is the object from the starting point at
the end of 3 seconds?
Time
Time
Time
33. During which time interval is the object at rest?
(1)
(2)
(3)
Statics
he branch of mechanics that treats forces which act on objects at rest is
alled statics A force is a push or pull measured in newtons, N. a derived
Displacement (m)
Velocity
Distance
pəəds
pəəds
Velocity
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