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WAEC Physics – Sierra Leone

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Question 281

Which law explains why a book resting on a table does not move despite gravity acting on it?
Forces and Newton's lawsNewton's Lawseasy

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Question 282

What amount of work is done when a force of 10 N moves an object 3 meters in the direction of the force?
Work, energy, powerWork and Energyeasy

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Question 283

A particle executes simple harmonic motion with amplitude 0.05 m and period 2 s. What is its maximum velocity?
Simple harmonic motionSimple Harmonic Motionmedium

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Question 284

If the pressure at the bottom of a fluid column is 15000 Pa and the fluid density is 1000 kg/m³, what is the height of the fluid column? (Take g = 10 m/s²)
Pressure and fluidsPressure in fluidsmedium

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Question 285

Which phenomenon explains why a pencil partially immersed in water appears bent?
Light, OpticsRefraction and Reflectionmedium

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Question 286

In a circuit, if the resistance is doubled and voltage remains constant, what happens to the current?
Electricity and magnetismOhm's Laweasy

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Question 287

What type of nuclear radiation consists of a helium nucleus?
Nuclear physicsRadioactivity and Nuclear Radiationmedium

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Question 288

In atomic physics, what does the term 'isotope' refer to?
Atomic physicsStructure of the Atomhard

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Question 289

Which of the following best describes Newton's Third Law of Motion?
Forces and Newton's lawsNewton's Lawseasy

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Question 290

How does the pressure exerted by a fluid at a given depth change if the density of the fluid doubles?
Pressure and fluidsPressure in Fluidsmedium

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