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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: Name the two forces that can affect an object's velocity
1 answer
Q: What is a functional group of atoms such as OH called
1 answer
Q: What term describes the energy that is required to get chemical reactions started
1 answer
Q: An arrow is shot straight up at an initial velocity of 250 ms How long will it take the arrow to hit the ground
2 answers
Q: What is the resulting displacement accomplished by Mary's walk
1 answer
Q: Phase of matter with a definite shape
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Q: If a bicycle has a mass of 10 kg and a velocity of 11 ms what is the magnitude of its momentum
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Q: Energy released during nuclear fusion
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Q: If a population overshoots its it may have a population crash. (2 words)
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Q: Is it true that alternative energy sources come from renewable processes
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Q: Which is not a type of mechanical wave
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Q: What is an advantage of nuclear power plants over coal power plants
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Q: That which slows the motion between two objects in contact with each other is defined as
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Q: A ship is able to float on water due to having a lower density than the density of the water
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Q: A feather with no on it maintains constant velocity
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Q: The ratio of the speed of light in a medium to the speed of light a vacuum is called its index
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Q: What property of sound changes due to Doppler Effect
2 answers
Q: This type of emphasis creates a focal point by emphasizing the differences between the elements of art
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Q: What is the formula to find the period of a wave
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Q: What is the best example of transfer of momentum
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Q: A 5 ohm resistor a 10 ohm resistor and a 15 ohm resistor are connected in series to a 120 volt power source What is the amount of current flowing between the 5 ohm resistor and the 10 ohm resistor
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Q: Is true of the Doppler effect
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Q: Vibrating objects usually produce
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Q: Which factor most influences buoyancy force
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Q: Does The US imports approximately 50 percent of its petroleum needs
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Q: When a moving object with momentum collides
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Q: An atom that gains an electron gains what type of ion
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Q: Movement of the faults produces which kind of energy waves
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Q: What is the wavelength of a photon with a frequency of 4.72 x 1014 Hz
2 answers
Q: When was Center for Science in the Public Interest created
2 answers
Q: Which force is often associated with an object's potential energy
3 answers
Q: What type of energy transformation of an electric fan
1 answer
Q: What is the angle between rectangular componenet of a vector
1 answer
Q: What is represented by a single point on a curved line in a distance-time graph showing accelerated motion
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Q: What are normally very small solid objects that traverse space and usually are burned up before reaching earth
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Q: 2 tablespoons ounces
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Q: Which term is defined as the time required to complete one up and down motion of the wave cycle before it repeats itself
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Q: For which of these would the buoyant force of air be greatest a bird hotair ballon an airplane
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Q: P waves and S waves are two kinds of seismic waves
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Q: What is the wavelength of a photon with a frequency of 7.81 x 1014 Hz
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Q: The cosine of an angle equals the ratio of the
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Q: Is the scientific study of the distribution of electromagnetic waves by energy and how these patterns are created in atoms and molecules
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Q: What law does the formula pv c
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Q: What is the system formed by the interaction of organisms and their environment is called
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Q: Length of a lens is the distance from the center of the lens to its principal focus
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Q: What causes the transfer of thermal energy
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Q: A ball is thrown horizontally from a cliff and hits the ground 4 seconds later 40 meters from the base of the cliff how high was the cliff rounded to the nearest tenth of a meter
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Q: Are some machines 100 efficient
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Q: The equation F equals ma is associated with Newton's Law
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Q: What are three waves that need a medium
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