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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: One of the similarities between electric and magnetic fields is that they both always form closed loops
2 answers
Q: Which type of reaction is the burning of gasoline to release heat energy
1 answer
Q: According to the law of conservation of in an isolated system the initial total momentum before a collision equals the final total momentum.
1 answer
Q: What are Elements in Group VIIA sometimes referred to as Group 17 called
1 answer
Q: Which type of waves are associated with resonance
1 answer
Q: What is the total current flowing through a 45 ohm resistor 1.4 amps and 20 ohm resistor 1.8 amps
1 answer
Q: What is energy and how is it different from kinetic energy
1 answer
Q: The US leads the world in the production refinement and consumption of petroleum
1 answer
Q: Which of these is not one of Newton's laws the law of universal gravitation the law of conservation of momentum all the choices are laws presented by newton the law of inertia
1 answer
Q: Which wave characteristics remain unchanged when a wave crosses a boundary into a different medium
1 answer
Q: The force most responsible for the collapse of the interstellar cloud and the formation of the solar system is
1 answer
Q: A wave with a wavelength of 15 m travels at 330 ms Calcuate the waves frequency
1 answer
Q: What causes different isotopes to have different atomic masses
1 answer
Q: Lubricants do what to friction by replacing sliding friction with fluid friction
1 answer
Q: What is the definition of elastic force
1 answer
Q: What example of conversion of gravitational potential energy into kinetic energy
1 answer
Q: How many tons are there in 12000 pounds
1 answer
Q: Which law of motion states that an object's acceleration is directly related to the net force applied and inversely related to the mass of the object
1 answer
Q: Which best explains how green plants absorb energy from the Sun
1 answer
Q: Normally very small solid objects that traverse space and usually are burned up before reaching earth
2 answers
Q: A stone falls freely from rest. What is its velocity after 8 seconds
1 answer
Q: What the procedure of a bouncing egg
1 answer
Q: Which is bigger 5 tons or 5 pounds
1 answer
Q: What is part of the electromagnetic spectrum
1 answer
Q: Is the classification for an instrument that produces sound by the vibration of a column of air
1 answer
Q: What is The difference between fr esnel diffraction pattern and fraunhofer diffraction pattern
1 answer
Q: What is the potential energy of a 20 kg rock placed at the top of a cliff with a height of 100 meters
1 answer
Q: What best describes an electric circuit
1 answer
Q: How many grams of nitrogen are contained in 2500 kcal diet that provides 15 percent of the energy as protein
1 answer
Q: How many grams make 4 ounces
3 answers
Q: Why is there so much controversy about nuclear power
1 answer
Q: How do zero gravity chairs work
2 answers
Q: Which is the quickest energy
1 answer
Q: A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees
1 answer
Q: How is heat energy released in a power station
1 answer
Q: The amount of space occupied by a body is called its mass or volume
1 answer
Q: How many gallons in 24 16.9 oz bottles of water
1 answer
Q: Is an electric charge a current
1 answer
Q: What is the definition of a gravity force field
2 answers
Q: Why is radiant energy a kinetic energy
1 answer
Q: Is 15 gallons more than 50 quarts
1 answer
Q: What is the weight of 230 kg in newtons
1 answer
Q: Why does bigger wheel size of toy car make it go faster down a ramp
2 answers
Q: What is the relationship between acceleraion and velocity
1 answer
Q: How many pounds is 105 grams
3 answers
Q: What object represents strength
1 answer
Q: Characteristics of non contact force
1 answer
Q: Why cant you cause a floating leaf to move to the edge of a pond by throwing stones behind it
1 answer
Q: How many grams are in 470ml
1 answer
Q: What happens whe the irregularities of one surfaces come in to contact with those of another surface what occurs
1 answer
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