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Physics

Uncover the laws that govern the universe, from the smallest particles to the vastness of space. Physics seeks to explain the fundamental mechanisms of the natural world.

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Questions
Q: A 38 kg block of lead is heated from -26 degrees Celsius to 180 degrees Celsius. How much heat energy does the block of lead absorb to increase its temperature this much
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Q: How is kinetic energy used in a microwave oven
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Q: 71 F in C
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Q: What is the piece of curved glass in a camera called
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Q: Term states the mass or density of a vapor or a gas compared to the density of dry air will tell us if it will rise or sink in the atmosphere
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Q: We see objects because
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Q: What force is not acting upon a ball that is thrown in the air
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Q: How much energy is required to raise the temperature of 3 kg of iron from 20C to 25C Use the table below and this equation Q mcT. Substance Specific Heat Capacity Liquid water 4.186 Ice 2.11 Air 1.00
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Q: Using the right-hand rule for magnetic fields when looking in the direction of the flow of current which will be the direction of the magnetic field
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Q: Which best illustrates the way in which radiation transfers thermal energy
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Q: A diagram that shows thermal energy being released by objects is called a
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Q: Burning fire is a conduction convection or radiation
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Q: For how many hours did Thomas Edison's light bulb stay lit
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Q: A boat moves at a speed of 15 kmh in still water. The river it is traveling in flows at a rate of 3 kmh downstream. What is the velocity of the boat if it travels downstream What is the velocity of th
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Q: A football is kicked with a velocity of 31 ms at an angle of 41 degrees what is the balls acceleration in the vertical direction
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Q: Gravity is least involved in the process of ......
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Q: Why does a ball roll faster on a steeper ramp than a less steep ramp
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Q: Occurs when sound waves apparently bend around an obstacle.
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Q: Kinetic friction is the frictional force needed to start an object
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Q: If you are moving toward the source of a sound wave and then pass the source and continue moving away the will change.
6 answers
Q: How do street lamps work
1 answer
Q: There are many risks associated with nuclear power. Which is NOT a risk associated with nuclear power
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Q: Write the conditions of maximum and minimum in diffraction pattern due to a single slit
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Q: What is the fixed point which a lever rotates
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Q: Lubricant friction by replacing
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Q: For an observer who stays in one spot when the source of a sound is moving the sound wave's
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Q: The less dense areas in a sound wave are called .
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Q: Where did hertz come from
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Q: Technician A says that UHSS is designed to absorb collision energy. Technician B says that mild steel is designed to transfer collision energy. Who is right
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Q: What happens if magnetic forces come in contact with one another
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Q: A group of objects that interact and affect each other
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Q: It is the average velocity multiply by time
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Q: The change in velocity in a particular time
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Q: Why is water quantity important
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Q: What happens to the kinetic energy of the ball after its collision with the ground
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Q: Wave impact and pressure cause what
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Q: What happens to the energy content of a system when work is done on or by it
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Q: Different between temporary magnet and Parmanent magnet
1 answer
Q: A ball is dropped from a certain height. What is its initial speed
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Q: What is the period for a frequency of MHz
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Q: What are the Factors affecting the frequency stability of an oscillator
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Q: Frequency range of infrared light
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Q: What is a electromagnetic wave that consist of vibrating and fields
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Q: What external forces act on a hang glider
2 answers
Q: The rounding and smoothing of stream pebbles as they bounce against each other is caused by what
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Q: Why is a machines output work always less than its input work
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Q: What is a system that uses heat to create chilled water
1 answer
Q: What is negative energy in physics
2 answers
Q: What type of energy conversion takes place when riding a bike turns on the headlight
2 answers
Q: The unit used to measure period is the .
3 answers
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