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Physics
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.
225k
Questions
Q: Which property of an object can be describe as smooth
1 answer
Q: What happen to potential energy of a body when its height is doubled
1 answer
Q: This is electrical energy that comes from the force or energy of moving water. It is the most widely used type of renewable energy.
1 answer
Q: What energy transformation occurs in a oven
2 answers
Q: Is a creek stationary or flowing
1 answer
Q: What else could David do to an electromagnet to change its strenght
1 answer
Q: What occurs when objects free fall near the Earth and surface
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Q: Displacement vectors of 3 m and 5 m in the same direction combine to make a displacement vector that is in magnitude.
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Q: Instantaneous acceleration describes how fast a is changing at a specific instant
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Q: . The slope of a speed-time linear graph is . acceleration velocity speed direction
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Q: Why is it important for light energy to be absorbed in a radiometer
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Q: Work is made easier when what changes the direction or size of the force needed to do the work
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Q: The fact that money must withstand the wear and tear that comes from being used over and over again is a measure of its what
1 answer
Q: In water heat travels up much faster than it travels down Explain
1 answer
Q: Which object will sink in freshwater which has a desity of 1.0 gcm3
2 answers
Q: A piece of lead has a density of 11.3 g per cm cubed and a mass of 282.5 g. What is its volume
3 answers
Q: What are the advantages of laboratory thermometer
1 answer
Q: Why are sound waves classified as longitudinal waves
1 answer
Q: What happens to the other bulb if one bulb burns out
1 answer
Q: Electron microscopes use a beam of light to produce a magnified image.
2 answers
Q: 3 examples that are designed to produce pushing or pulling forces
1 answer
Q: A large ripple tank with a vibrator working at a frequency of 30 hz produces 25 complete waves in a distance of 50 cm.the velocity of the wave is
1 answer
Q: Sound travels with a different speed in media. In what order does the velocity of sound increase in these media
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Q: The separation distance between two 1.0 kg masses is decreased by two-thirds. How is the gravitational force between them affected
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Q: What form of energy does a flashlight produce
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Q: The recognition that objects are constant and unchanging even though sensory input about them is changing is called
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Q: Steps of the making of the electric light bulb
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Q: Momentum is calculated by multiplying an object's mass by its what
2 answers
Q: What happens when you move the fulcrum
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Q: A unit of measurement that describes the rate that electricity flows through a wire is a
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Q: If 3000 ft3 of air is crossing an evaporator coil and is cooled from 75 degree Fahrenheit to 55 degree Fahrenheit what would be the volume of air in ft3 exiting the evaporator coil
1 answer
Q: Does higher thermal energy mean higher temperature
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Q: Why is length measured with a metre stick when its cold
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Q: When a length is cold is measured with a metre stick why is this accurate enough
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Q: 2. What potential problems could we have if we did not have the W3C 2. What potential problems could we have if we did not have the W3C 2. What potential problems could we have if we did not have the
1 answer
Q: Where is the energy that enters an electric fire transferred to
1 answer
Q: 72 f to Celsius
2 answers
Q: Wet decontamination can block what radiation from being detected
4 answers
Q: What is medium level occupation
1 answer
Q: What happen when rubbing a comb and place near to a flowing water
2 answers
Q: What is it called when you carefully look at an object or process
1 answer
Q: We can move our arms in circular motion but not our knees .why
1 answer
Q: Can electricity and light bring about reversible change or irreversible
1 answer
Q: Negative 12 degrees Celsius is what Fahrenheit
2 answers
Q: A wire hangs from a dark high tower so that its upper end is not visible.how can we determine the length of the wire
1 answer
Q: Mass of tv in kg
1 answer
Q: What advantages do gas molecule have over solid and liquid
4 answers
Q: What is another name for the crest of a wave
1 answer
Q: 3) What blood test is available that will give an accurate estimate of radiation dose
2 answers
Q: 80 oz into lb
2 answers
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