PH1031F_Test_1
Authored by 黃振崗 黃振崗
Physics
University
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number 0.003010 has [ ] significant figures.
7
6
4
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is 0.674/0.74 to the proper number of significant figures?
0.91
0.911
0.9108
0.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of 1123 and 10.3 written with the correct number of significant figures?
1.13 × 10^3
1133.3000
1133.3
1133
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which case is the blue dashed vector equal to B-A ?
A
B
C
D
Not enough information
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is a correct statement about A+B ?
x-component >0, y-component >0
x-component >0, y-component <0
x-component <0, y-component >0
x-component <0, y-component >0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the same plot. Which is a correct statement about A-B?
x-component >0, y-component >0
x-component >0, y-component <0
x-component <0, y-component >0
x-component <0, y-component <0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This is the x-t graph of the motion of a particle. Of the four points P, Q, R, and S, the velocity in the x-direction is greatest (most positive) at
P
Q
R
S
Not enough information is given to decide
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