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NECTA Physics – Tanzania

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Question 291

What is the acceleration of an object moving with a constant velocity of 5 m/s?
MechanicsMechanicseasy

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Question 292

If the frequency of a wave is doubled while the speed remains constant, what happens to its wavelength?
WavesWavesmedium

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Question 293

Which component in an electric circuit opposes the flow of current?
ElectricityElectricityeasy

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Question 294

What is the magnetic effect observed when a current-carrying wire is placed near a compass?
MagnetismMagnetismmedium

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Question 295

A mass of 2 kg is moving at 3 m/s. What is its kinetic energy?
MechanicsMechanicsmedium

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Question 296

A block of mass 5 kg is pulled across a horizontal surface with a force of 20 N. If the acceleration produced is 2 m/s², what is the frictional force acting on the block?
MechanicsMechanicsmedium

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Question 297

In the photoelectric effect, what happens when the frequency of incident light is below the threshold frequency?
Modern physicsModern Physicshard

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Question 298

A stone is thrown vertically upward with an initial velocity of 20 m/s. How long does it take to reach the highest point? (Take g = 10 m/s²)
MechanicsMechanics: Motion in a straight linemedium

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Question 299

Which of the following statements correctly describes the photoelectric effect?
Modern PhysicsModern Physicshard

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Question 300

A block of mass 5 kg is moving on a frictionless horizontal surface with a velocity of 3 m/s. What is its kinetic energy?
EnergyMechanicseasy

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