Physics 2008 Study Mode

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Question 1 Physics 2008 | JAMB/UTME (2008)
A
I and II only 
B
I and III only 
C
I, II and III only 
D
I, III and IV only 
Explanation.
Share Answer Torque has the same unit as moment = Nm
i, iii and iv have correct units.

Correct Option:
D
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Question 3 Physics 2008 | JAMB/UTME (2008)
A
3.6 ms-1 
B
3.77 ms-1 
C
4.0 ms-1 
D
7.5 ms-1 
Explanation.
Share Answer V = wr = 2f r = 2 x (22)/7 x 1 x 0.6
= 3.77ms-1

Correct Option:
B
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Question 4 Physics 2008 | JAMB/UTME (2008)
A
I and II only 
B
I and III only 
C
II and III only 
D
I, II and III 
Explanation.
Share Answer

The condition (ii) is a condition for an equilibrium of parallel forces only while conditions (i) and (iii) are correct for both parallel and non- parallel coplanar forces.


Correct Option:
B
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Question 5 Physics 2008 | JAMB/UTME (2008)
A
0.01 Hz 
B
0.04 Hz 
C
2.27 Hz 
D
3.60 Hz 
Explanation.
Share Answer Frequency = (No. of revolutions)/ Time = (90)/25 = 3.6 Hz

Correct Option:
D
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Question 6 Physics 2008 | JAMB/UTME (2008)
A
h =(u)2/g 
B
h = (u)2/4g 
C
h = (2u)2/g 
D
h = (u)2/2g 
Explanation.
Share Answer From V2 = U2 + 2as
O = U 2 - 2gH, since at maximum height H, the final velocity, v = O.
H = (U)2/2g
PE = KE at (1)/2 H = (U)2/2g x (1)/2 = U2 4g

Correct Option:
B
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Question 7 Physics 2008 | JAMB/UTME (2008)
A
diffusion 
B
cohesion 
C
adhesion 
D
viscosity 
Explanation.
Share Answer since currency and finger contain unlike molecules, the force involved is adhesion

Correct Option:
C
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Question 8 Physics 2008 | JAMB/UTME (2008)
A
25 
B
2.5 
C
0.5 
D
0.25 
Explanation.
Share Answer F = (mv)2/r = (100 x 5)2 = 250N
R = mg = 100 x 10 - 1000N
coefficient of friction,
= (F)/R = (250)/1000 = 0.25

Correct Option:
D
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Question 9 Physics 2008 | JAMB/UTME (2008)
A
0.625 J 
B
6.250 J 
C
62.500 J 
D
625.000 J 
Explanation.
Share Answer Energy stored in a spring = (1)/2 K e2 = (1)/2 x 500(0.05)2 = 0.625J

Correct Option:
A
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Question 10 Physics 2008 | JAMB/UTME (2008)
A
0.8 
B
1.1 
C
1.2 
D
1.3 
Explanation.
Share Answer hlpl = hwpw
where, L =liquid and W = water
(pl)/pw = (hw)/hl = (26.5)/20.4
= 1.299

Correct Option:
D
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