Physics 2014 | Study Mode

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Question 1
A
0.1mm
B
1.0mm
C
0.5mm
D
0.2mm
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
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Question 2
A
Temperature
B
Distance
C
Displacement
D
Mass
Explanation
Displacement is a vector quantity

Correct option: C
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Question 3
A
II and IV
B
I and II
C
I and III
D
II and III
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: A
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Question 4
A
Vibratory and translational motion
B
Random and translational motion
C
Rotational mand oscillatory motion
D
Translational and rotational motion
Explanation

The tyre in motion makes a rotation and it translates in a straight line alongside. if the wheels is turned it continued further in a translational straight line through rotational motion.


Correct option: D
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Question 5
A
12ms-1
B
144ms-1
C
72ms-1
D
36ms-1
Explanation
V2 = U2 x 2ax
V2 = 0 x 2(3)(24)
V2 = 144
V = \(\sqrt{144}\)
V = 12ms-1

Correct option: A
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Question 6
A
25.3kms-1
B
4.2kms-1
C
4.0kms-1
D
11.3kms-1
Explanation
Vescape = \(\sqrt{2gR}\)
Vescape = \(\sqrt{2\times10\times6.4\times10^6}\)
Vescape = \(\sqrt{128000000}\)
Vescape = 11313.7085mS-1
Vescape = 11.313kmS-1

Correct option: D
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Question 7
A
48N
B
12N
C
27N
D
36N
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
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Question 8
A
Average
B
Zero
C
Negative
D
Positive
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
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Question 9
A
Their lines of action are parallel.
B
They are represented in magnitude only
C
They are represented in direction only
D
Their lines of action meet at a point
Explanation
Conditions for non-parallel coplanar forces

Correct option: D
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Question 10
A
200J
B
4000J
C
2000J
D
500J
Explanation
Kinetic Energy = mgh
= 20 x 10 x 10 J
= 2000J

Correct option: C

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