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Physics Past Questions and Answers

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Physics Questions

Question 6:

The equilibrium position of objects in any field corresponds to situation of

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A Equipotential energy
B Maximum potential energy
C Minimum potential energy
D Maximum kinetic energy

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Question 7:

A man walks 1km due east and then 1km due north. His displacement is

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A 1 km N15<sup style='font-size: smaller;'>o</sup>E
B 1 km N30<sup style='font-size: smaller;'>o</sup>E
C \(\sqrt 2\)km N 45<sup style='font-size: smaller;'>o</sup>E
D \(\sqrt 2\)km N 60<sup style='font-size: smaller;'>o</sup>E
E 2km N 75<sup style='font-size: smaller;'>o</sup>E

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Question 8:

The factional force between two bodies

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A Exists only when there is relative motion or tendency for motion
B Acts so as to oppose the motion
C Depends on the normal reaction between the two surfaces
D Is relatively independent of the area in contact
E Has all of these characteristics

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Question 9:

An air force jet flying with a speed of 335ms-1 went past an anti-aircraft gun. How far is the aircraft 5s later when the gun was fired?

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A 838m
B 3350m
C 670m
D 1675m
E 67m

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Question 10:

A palm fruit dropped to the ground from the top of a tree 45m tall. How long does it take to reach the ground? (g = 10ms<sup style='font-size: smaller;'>-2</sup>)

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A 9s
B 4.5s
C 6s
D 7.5s
E 3s

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