College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Physics

please answer both 
Use the KE vs. TIME graph below to answer the following questions. Express all answers in the appropriate mks units.
KE vs. TIME GRAPH
KE (J)
20
15
10
2
8
10
t(s)
A.) Identify when the object was not moving. Os
B.) Over what period of time was the object speeding up?
✓to 6s
Os
C.) Over what period of time was the object slowing down?
6s
to Bs
D.) Over what period of time was the object maintaining a constant speed?
to 10 s
8s
E.) Determine the work done during the following 3 time frames:
0 to 60x 6 to 8 s 12 J x 8 to 10 s0J
Determine the total work done.
G.) Determine the power at the following 3 times:
1.4
7.85
8.25-
SUOUS
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Transcribed Image Text:Use the KE vs. TIME graph below to answer the following questions. Express all answers in the appropriate mks units. KE vs. TIME GRAPH KE (J) 20 15 10 2 8 10 t(s) A.) Identify when the object was not moving. Os B.) Over what period of time was the object speeding up? ✓to 6s Os C.) Over what period of time was the object slowing down? 6s to Bs D.) Over what period of time was the object maintaining a constant speed? to 10 s 8s E.) Determine the work done during the following 3 time frames: 0 to 60x 6 to 8 s 12 J x 8 to 10 s0J Determine the total work done. G.) Determine the power at the following 3 times: 1.4 7.85 8.25- SUOUS
Part A: Velocity & Force Vectors
For the given velocity vector, which of the following force vectors will do POSITIVE work? Choose all that apply.
Velocity
vector
Force vectors
x
Part B: Net Work & Motion
Part C: Drop diagrams
Part D: Kinetic Energy vs. Time Graphs
Submit Answer
45°
S
S
....A
60
0
0
0
40"
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Transcribed Image Text:Part A: Velocity & Force Vectors For the given velocity vector, which of the following force vectors will do POSITIVE work? Choose all that apply. Velocity vector Force vectors x Part B: Net Work & Motion Part C: Drop diagrams Part D: Kinetic Energy vs. Time Graphs Submit Answer 45° S S ....A 60 0 0 0 40"
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