Just the answer only 21. The diagram below shows a series of A 80photographs of a ball rolling with constantvelocity.The camera was capturing images at a constantrate of 20 per second. What was the speed ofthe ball?A 1.0 m s-¹C 2.5 m S-¹B 2.0 m S-¹10.0 m s-¹ ( )Obris AD22. The velocity-time graph below represents themotion of a particle along a straight line.velocity/m s-¹42010--10--202AC2.0 m4Which of the following is true?II onlyI and II onlyvelocity12 1410 12BDThe particle's velocity is momentarily zeroat t = 5 s.11The particle comes back to its starting pointin 12 s.IIIThe particle travels in the opposite directionbetween t= 5 s and t = 12 s. to dispno esA-time/sIl onlyI, II, and III ( )23. The graph of velocity against time for a movingobject is shown.timeWhich of the following is the correspondinggraph of displacement against time?ABCDdisplacement0displacement0displacement0displacement0C velocityEarthMars24. When someone on Earth drops a rock, itaccelerates at about 10 m s-2. When a rock isdropped on Mars, the rock accelerates at about2.0 m s2. Which diagram shows the velocity-time graphs for a rock dropped on Earth anddropped on Mars?A velocitytimeEarthMarstimetimetimetimetimeB velocityDvelocity EarthEarthMarstimeMarstime

Answered: Image /qna-images/answer/25fa28a7-e08a-497d-9591-8fa32bb20963.jpg

The diagram below shows a series of photographs of a ball rolling with constant velocity. 2.0 m The camera was capturing images at a constant rate of 20 per second. What was the speed of the ball? A 1.0 m s-1 C 2.5 ms¹ B 2.0 ms¹ D 10.0 m s-¹ ( )

The diagram below shows a series of photographs of a ball rolling with constant velocity. 2.0 m The camera was capturing images at a constant rate of 20 per second. What was the speed of the ball? A 1.0 m s-1 C 2.5 ms¹ B 2.0 ms¹ D 10.0 m s-¹ ( )

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)...

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Concept explainers

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.

Question

Just the answer only

21. The diagram below shows a series of A 80
photographs of a ball rolling with constant
velocity.
The camera was capturing images at a constant
rate of 20 per second. What was the speed of
the ball?
A 1.0 m s-¹
C 2.5 m S-¹
B 2.0 m S-¹
10.0 m s-¹ ( )
Obris A
D
22. The velocity-time graph below represents the
motion of a particle along a straight line.
velocity/m s-¹
4
20
10-
-10-
-20
2
A
C
2.0 m
4
Which of the following is true?
I
I only
I and II only
velocity
12 14
10 12
B
D
The particle's velocity is momentarily zero
at t = 5 s.
11
The particle comes back to its starting point
in 12 s.
III
The particle travels in the opposite direction
between t= 5 s and t = 12 s. to disp
no es
A
-time/s
Il only
I, II, and III ( )
23. The graph of velocity against time for a moving
object is shown.
time
Which of the following is the corresponding
graph of displacement against time?
A
B
C
D
displacement
0
displacement
0
displacement
0
displacement
0
C velocity
Earth
Mars
24. When someone on Earth drops a rock, it
accelerates at about 10 m s-2. When a rock is
dropped on Mars, the rock accelerates at about
2.0 m s2. Which diagram shows the velocity-
time graphs for a rock dropped on Earth and
dropped on Mars?
A velocity
time
Earth
Mars
time
time
time
time
time
B velocity
D
velocity Earth
Earth
Mars
time
Mars
time

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