Physics Past Questions

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49 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

49 questions
Question 1 of 9 49 total questions
Question 21
jamb 2008

A spring of force constant 500 Nm\(^{-1}\) is compressed such that its length shortens by 5cm. The energy stored in the spring is?

A0.625 J
B6.250 J
C62.500 J
D625.000 J
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Question 22
jamb 2008

A motorcycle of mass 100kg moves round in a circle of radius 10m with a velocity of 5 ms\(^{-1}\). find the coefficient of friction between the road and the tyres.

 

A25.00
B2.50
C0.50
D0.25
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Question 23
jamb 2008

Counting of currency notes with moist fingers is based on the principles of?

Adiffusion
Bcohesion
Cadhesion
Dviscosity
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Question 24
jamb 2008

If a body mass 5kg is thrown vertically upwards with velocity u,at what height will the potential energy equal to the kinetic energy?

Ah =(u)2/g
Bh = (u)2/4g
Ch = (2u)2/g
Dh = (u)2/2g
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Question 25
jamb 2008

What is the frequency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?

A0.01 Hz
B0.04 Hz
C2.27 Hz
D3.60 Hz
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Question 26
jamb 2008

I. All the three forces must be concurrent.
II. The upward force is equal to the downward force.
III. The algebraic sum of the moment about any point must be zero.

which of the above conditions must hold for a body acted upon by a system of three coplanar forces equilibrium?

AI and II only
BI and III only
CII and III only
DI, II and III
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Question 27
jamb 2008

If a wheel 1.2 m in diameter rotates at one revolution per second, calculate the velocity of the wheel.

A3.6 ms-1
B3.77 ms-1
C4.0 ms-1
D7.5 ms-1
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Question 28
jamb 2008
Which of the following is NOT a vector quantity?
Aaltitude
Bacceleration
Cdisplacement
Dweight
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Question 29
jamb 2008

I. Force (N)
II.Torque (Nm)
III. Current (A)
IV. Power (W)
Which of the above are the correct S. I: units of the quantities indicated?

AI and II only
BI and III only
CI, II and III only
DI, II, III and IV only
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