Physics 1989 WAEC Past Questions

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A piece of cork floating on water is acted upon by the forces of...

A. Weight and viscosity
B. weight and upthrust
C. upthrust and viscosity
D. weight only
E. upthrust only

View Answer & Discuss (3) WAEC 1989

A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 rad per sec. With what tangential velocity will the stone move off the circle if the string is cut?

A. 16.0 ms^-1
B. 8.0 ms^-1
C. 6.0 ms^-1
D. 2.0 ms^-1
E. 0.5 ms^-1

View Answer & Discuss (2) WAEC 1989

The motion of the prongs of the sounding tuning fork is

A. random
B. translational
C. rotational
D. vibratory
E. vibratory and rotational

View Answer & Discuss (1) WAEC 1989

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Which of the following is a derived unit?

A. Metre
B. Coulomb
C. Kilogram
D. Second
E. Ampere

View Answer & Discuss (1) WAEC 1989

An engine raises 1000kg of water through a height of 60m in 20s. What is the power of the engine? (Take g = 10ms^-2>).

A. 120,000 W
B. 30,000 W
C. 333 W
D. 300 W
E. 30 W

View Answer & Discuss (5) WAEC 1989

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Physics 1989 WAEC Past Questions

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