Physics Past Questions, Answers, And Explanations - Physics

Physics Questions

Question 2981:

WAEC 2001

Which of the following equations represents the distance x, travelled by a body moving on a straight road with a constant speed? [The other symbol have their usual meanings]

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A X = Ut + \(\frac{1}{2}t^2\)
B X = Ut
C X = \(\frac{V^2 - U^2}{2a}\)
D X = -\(\frac{1}{2} at^2\)

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Question 2982:

WAEC 2001

The amplitude of the motion of a body performing simple harmonic motion decreases with time because

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A Friction force dissipate the energy of motion
B The frequency of oscillation varies with time
C The period of oscillation varies with time
D Energy is supplied by some external agency

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Question 2983:

WAEC 2001

The amplitude of a particle executing simple harmonic motion in 5cm while its angular frequency is 10 rad s^-1. calculate the magnitude of the maximum acceleration of the particle

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