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⚛️ Physics

Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.

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Q: If you look up close at an ant using a convex lens what do you see
1 answer
Q: What is the force that can be thought of as either a push and pull as long as it makes the object move in a circular path
1 answer
Q: Which instrument listed below is an example of a aerophone
2 answers
Q: A force of 20 newtons is required to push a 30 kg cart 40 meters across a room From this effort how many joules of work are performed
1 answer
Q: A rock falls off a bridge and hits the water 8 seconds later How high is the bridge
1 answer
Q: What is the term given to vectors that dont lie in a straight line but instead point in different directions
1 answer
Q: What a ion
2 answers
Q: What is the quantum number that describes the most probable distance from the nucleaus that an electron resides
1 answer
Q: Which characteristic is common to renewable energy resources
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Q: Which term is defined as an often repeated design
2 answers
Q: What are waves that require a medium to travel through
1 answer
Q: What is the nuclear decay equation for potassium-40
1 answer
Q: Acceleration is defined as a change in velocity over time If a runner increases velocity from 2 ms to 4 ms over a period of 20 seconds what is her acceleration
1 answer
Q: Which of these is a challenge related to nuclear fusion reactions
2 answers
Q: What is the theorem that says that impulse equals change in momentum
2 answers
Q: The figure 005 would be scientifically noted as
1 answer
Q: The force that keeps objects moving in a circle is called what
1 answer
Q: Which is or are used in nuclear reactors to absorb neutrons
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Q: Which types of waves are used in technological devices such as night vision goggles or heat-seeking missiles
1 answer
Q: Impulse is the product of a force and the during which that force acts
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Q: When are objects visible to us
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Q: What makes solar energy green
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Q: What would be the change in velocity for a 10 gram object dropped from the roof of a 20 meter building if it takes 2 seconds to reach the ground
1 answer
Q: What is a cars acceleration if it increases its speed from 5 m s to 20 m s in 3 s
1 answer
Q: 2 quarts is how many ounces
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Q: How did James Watt contribute to science
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Q: On what point does a lever point
1 answer
Q: To mix a punch Yvonne begins with 4 liters of ginger ale and adds 2650 milliliters of cranberry juice About how many 200mL glasses of punch can be served
1 answer
Q: Light travles what jn material with a higher index or reflection
1 answer
Q: What did cleopatras suicide note say
2 answers
Q: What is the relationship between mass and gravity.
2 answers
Q: What is the index of refraction in water to air
1 answer
Q: When electric and magnetic fields both exist it is called what field
1 answer
Q: The sun's energy travels by electromagnetic bands.
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Q: Calculate the average speed in ms of a cheetah that runs 140 meters in 5 seconds
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Q: Split by the Rocky Mountains
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Q: Impulse is the product of a force and the what during which that force acts
1 answer
Q: What is the amount of fissionable material required so that each fission reaction produces approximately one more fission reaction
1 answer
Q: Speed is calculated by multiplying the time of travel by distance traveled
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Q: Which of th following is the best description of an electrical energy type source
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Q: Which term is the measurement for the force of gravity
1 answer
Q: Which planet has the lowest surface temperature of any planet and an atmosphere comprised mostly of nitrogen
1 answer
Q: Newton's Second Law of Motion states that when an unbalanced force acts on an object the object decelerates
1 answer
Q: A method of heat transfer when energy is transferred by currents in a liquid or gas
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Q: Is biomass a renewable resource used for the generation of electricity
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Q: A particular device uses electromagnetism by using electricity to move magnets. The magnets in this device are than used to work. Which device uses electromagnetism In this way
1 answer
Q: What happens in nuclear fusion
3 answers
Q: What vector is created by pointing in a particular direction
1 answer
Q: What is stronger alpha radiation beta radiation or gamma radiation
1 answer
Q: What frequency does a photon of wavelength 4.5 10 4 m have
1 answer
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