Recent questions

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The speed of a train, hauled by a locomotive varies as shown below as it travels between two stations along a straight horizontal track.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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In an experiment to estimate the diameter of an oil molecule, an oil drop of diameter 0.05cm spread over a circular patch whose diameter is 20cm.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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Sketch a vernier callipers scale reading 3.89cm.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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Light helical spring obeying Hooke’s Law was attached to a fixed support. When a 5N load was hung on it, the length of the spring was 160mm. when a 10N load was hung on it the length became 200mm. determine

asked Jul 29, 2021 in Physics Form 1 by anonymous

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The figure below shows a pulley system.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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A circuit consists of a battery, a metal wire, an ammeter and a switch connected in series. The switch is closed and the ammeter reading noted. The metal wire is now heated.

asked Jul 29, 2021 in Chemistry Form 2 by anonymous

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A hole is made at the middle of a tall jar container and water is poured into it to the level shown. See figure below.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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State the reason why the speed of water at a wider section of a river is lower than at a narrower section.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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A heavy log lying on the ground requires more energy to start moving than the same log which is already in motion. Explain why.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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sifa za wahusika wa tamthilia ya kigogo

asked Jul 29, 2021 in Kigogo by clemmoh

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fafanua hoja Kumi kuonyesha maafa yanayoweza kusababishwa na ubaguzi

asked Jul 29, 2021 in Chozi la Heri by clemmoh

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fafanua hoja Kumi kuonyesha maafa yanayoweza kusababishwa na ubaguzi

asked Jul 29, 2021 in Isimu Jamii by clemmoh

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The system in the figure below is a set-up which can be used to illustrate expansion of liquids.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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Figure below shows two set-ups by a student using identical lamps and thermometers.

asked Jul 29, 2021 in Physics Form 2 by anonymous

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A tight rope walker carries a pole to maintain stability. Explain how he uses it to achieve it.

asked Jul 29, 2021 in Physics Form 2 by anonymous

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1 answer

Lycopodium is lightly sprinkled on a clean water surface in a large tray. A red hot needle is plunged into the centre of the water surface. State and explain the observation made.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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Sketch a velocity time graph for a body thrown vertically upwards to a maximum height.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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A wooden block of mass 2kg is placed on a horizontal surface. A horizontal force of 14N is exerted on it which makes it to accelerate at 5ms-1.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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State and explain any changes observed in a Brownian motion, when the temperature of the air in the smoke cell is increased.

asked Jul 29, 2021 in Physics Form 1 by anonymous

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The ticker-time tape below shows a section of a long tape. The dots were made at a frequency of 40Hz.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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