2001
The apparent weight of a body wholly immersed in water is 32N and its weight in air is 96N. Calculate the volume of the body. (Density of water = 1000kgm-3, g = 10ms-3)
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2001 WAEC SSCE Physics Past Questions
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2001
A block weighing 15N rests on a flat surface and a horizontal force of 3N is exerted on it. Determine the friction force on the block
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2001
Which of the following statements about pressure is not correct?
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2001
An object weight 10N immersed in a liquid displaces a quantity of the liquid. If the liquid displaced weighs 6N, determine the upthrust of the object
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2001
A spring balance,which is suspended from the roof of a lift, carries a mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms-2, determine the reading on the spring balance. [g = 10ms-2]
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2001
Which of the following statements about elastic collision is correct?
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2001
The time rate of change of momentum is
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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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2001
The amplitude of the motion of a body performing simple harmonic motion decreases with time because
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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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2001
A resistance thermometer has a resistance of 20\(\Omega\) at 0oC and 85\(\Omega\) at 100oC. If its resistance is 52\(\Omega\)in a medium, calculate the corresponding temperature
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2001
A beam PQ pivoted at P carries a load of 80N as shown above. Calculate the effort E, required to keep it horizontal. [neglect the weight of the beam]
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2001
A screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the Tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [\(\pi = 3.142\)…
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2001
A simple machine with an efficiency of 75% lifts a load of 5000N when a force of 500N is applied to it. Calculate the velocity ratio of the machine
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2001
Electrical resistance is a property of an electrical energy to be converted into
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2001
Humidity is used to describe the amount of
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2001
The amount of heat given out or absorbed when a substance changes its state at a constant temperature is known as
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2001
The volume of an ideal gas at a pressure of 77cmHg and temperature 60oC is 240cm3. If the temperature and pressure are increased to 98oC and 81cmHg respectively, calculate the new volume of the gas.
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2001
A given mass of an ideal gas has a pressure of 500Nm-2 at -13oC. If its volume remains constant. Calculate its pressure at 247oC.
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2001
A piece of cloth appears green in sunlight. When held in red light, it will appear
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