Which of the following statements above viscosity are correct? when a ball falls through a viscous liquid i. viscosity opposes the gravitational force on the ball. ii. viscosity opposes the upthrust on the ball. iii.…
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2016
If a bar magnet is accidentally broken into three pieces as shown in the diagram above, the polarities of P and Q respectively are
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2016
A process by which two light atoms join to form a new atom of higher atomic mass is
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2016
A transformer with 55500 turns in its primary is used between a 240V a. c supply and a 120V kettle. Calculate the number of turns in the secondary
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2016
A body of mass 120g placed at the 10cm mark on a uniform metre rule makes the rule settle horizontally on a fulcrum places at 35cm mark. Calculate the mass of the rule
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2016
A student measures the volume of a liquid using a measuring cylinder. What else needs to be measured by the student in order to determine the density of the liquid?
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2016
The dimensions of momentum are
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2016
The diagram given illustrates a force-distance graph for the motion of a wooden block. Determine the work done on the block when moved through a distance of 5m.
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2016
An object of volume 400cm3 and 2.5gcm-3 is suspended from a spring balance with half its volume immersed in water. Determine the reading on the spring balance. (Density of water = 1gcm-3)
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2016
Which of the following substances lowers the surface tension of water?
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2016
The diagram given, represents the graph of stress against strain for an elastic wire. The point Q on the graph is the
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2016
When a body is thrown vertically upwards, its velocity at the maximum height is
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2016
A plank is placed along the path on which a wheel barrow containing sand is pushed at a construction site to prevent it from sticking as illustrated in the diagram given. The large area of the plank prevents the wheel ba…
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2016
At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots out of the bottle at an angle of 40o to the horizontal and travels a horizontal distance of 4.50m in 1.25s. Calculate the initial speed of t…
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2016
The two person of a body undergoing a uniformly accelerated motion are (10s, 10ms-1) and (30s, 50ms-1). On the velocity-time graph pf the body.
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2016
The diagram given is used to determine the
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2016
Which of the following statements correctly defines the boiling point of a liquid? The temperature at which the
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2016
The mouth piece of a telephone handset converts
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2016
Resonance occurs when one vibrating object causes a second object to vibrate at its own natural
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2016
A pressurized perfume bottle is left on the window pane of a room. What happens to he gas molecules of the perfume on a sunny day? They