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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: How much energy is released if a sample loses kg mass through radioactive decay
1 answer
Q: What are both sides of an equation equal to
1 answer
Q: What is a bending that occurs when a wave moves from one medium to another at an angle and changes speed
1 answer
Q: Is solar energy non renewable energy source
1 answer
Q: Which energy source was first used to power textile manufacturing plants
2 answers
Q: How much work is being done in a 100 N box is lifted 3 meters off the ground
1 answer
Q: Transition is to change as immobility is to
1 answer
Q: Why geothermal energy considered a renewable resource apex
1 answer
Q: A person on a merry-go-round is constantly accelerating toward the center.
1 answer
Q: What is the frequency of a radio wave with a wavelength of 3 m
2 answers
Q: What is the transformation of energy
2 answers
Q: The differences between nuclear reactors and nuclear bombs include what
2 answers
Q: When you set a heavy bag down on the ground you are doing work on it.
1 answer
Q: A man pulls a 50 kilogram box 20 meters across the floor with the aid of a rope tied to the box The rope makes an angle of 30 degrees with the horizontal In pulling the box the man exerts a force
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Q: What is the energy J of photon with a wavelength of 601nm
1 answer
Q: What does the velocity of wave measure
1 answer
Q: Specific heat definition
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Q: Is the amount of acceleration directly proportional to the fore and to the mass
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Q: Is 25 pounds bigger than 350 ounces
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Q: When is mechanical advantage increased by a first class lever
2 answers
Q: Why can the kinetic energy be greater then the potential energy
1 answer
Q: What is the way an object looks and feels
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Q: What must happen for a nuclear reactor to make electricity
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Q: The type of energy transferred by a wave in a medium is kinetic energy
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Q: What is the frequency of a wave has a speed of 1.2 and a wavelength of 3
1 answer
Q: In this type of wave particles of the medium vibrate perpendicularly to the direction of the wave itself
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Q: What is the energy of an electromagnetic wave with a frequency of 3 x 109 Hz
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Q: Is solar energy sustainable
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Q: In a controlled nuclear reaction its critical that excess neutrons are absorbed what isare used to do this
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Q: All Electromagnetic radiation
1 answer
Q: How can you identify a fixed pulley
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Q: Is gravity an example of conservative force
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Q: How do positive and negative charges react
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Q: What is the sequence of the energy transformation from the inside of a battery to the lighter
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Q: What effect does a promoter catalyst have on the position of the equilibrium
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Q: What is a scalar quantity
2 answers
Q: When the force acting on an object points at least partially in the direction of the motion the work being done is considered to be negative
2 answers
Q: What is the frequency of a wave with a velocity of 100 m s and a wavelength of 20 m
2 answers
Q: What does the si unit ms north stand for
1 answer
Q: What is the lowest point of a wavelength
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Q: Which forces are associated with solids
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Q: Does a conductor have a high or low specific heat
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Q: Isaac Newton can be credited with all of these except
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Q: Circular motion occurs only near the earths surface
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Q: What force of 2.0 kg mass and acceleration of 5.0 MS's on a level surface what is the force applied to the mass
1 answer
Q: What term is defined by showing distance by changing colors and creating less intense images
1 answer
Q: How much is 1600 kg in standard weight
3 answers
Q: What is a force that maintains motion
1 answer
Q: 160J of work was needed in order to move an object 8m across the floor What force the N that was needed to do this job
1 answer
Q: What are the uses of icosihenagon
1 answer
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