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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: How air bags help in preventing serious injury in car collision.
2 answers
Q: What happens when heat is transfered by air currents
3 answers
Q: Why are beta particles able to penetrate objects better than alpha particles are
1 answer
Q: What do the height length and period of a wave compromise
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Q: What is Difference between elastic limit and proportional limit
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Q: What is temperature of water drops it continues to give off thermal energy until it freeze example of
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Q: Where do we see air being compressed in our everyday life
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Q: How can air exert a force when compressed
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Q: What is the term used to describe a buildup of electrical charges on objects due to friction
1 answer
Q: What types of reflection shiny smooth surface
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Q: What is the mechanical advantage of machine that requires 30 N of input force to produce 15 N of output force
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Q: What are the 10 uses of temporary magnet
1 answer
Q: What is the nuclear binding energy and how isnit related to the mass defect
1 answer
Q: What is the angle of incidence if a reflected wave bounces off a mirror at an angle of 65 degrees
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Q: Can red shift and blue shift exist on the same object at the same time
2 answers
Q: What waves are caused by the back and forth movement or vibration of and object.
1 answer
Q: How could convection be used to heat a room with a hot radiator
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Q: When does vibration take place
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Q: What can stop a alpha
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Q: What are things that weigh 4 pounds
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Q: Why Scientists are most likely to change a scientific theory if
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Q: What are interesting facts about the thermometer
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Q: What determines the strength of the friction force
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Q: Do fans use electromagnets
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Q: Do a golf ball have more kinetic energy than bowling bal
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Q: What if a weightlifter raises a 200-kg barbell with an acceleration of 3 ms squared. How much force does the weightlifter use to raise the barbell
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Q: What phrase describes speed A. A quantity with direction only B. A quantity with no units C. A vector quantity D. A scalar quantity
2 answers
Q: Is it true that waves with the shortest wavelength have the lowest frequencies
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Q: How are th suns magnetic field and its activity cycle related
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Q: How many refractions occur as a light ray travles through a lens
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Q: How many re-fractions occur as a light ray travels through a lens
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Q: What three changes does a light undergo when it reacts with a rain drop from a rainbow
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Q: How do force affect object
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Q: What do you notice about the density in sinking objects
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Q: What is it called when thermal energy is endothermic
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Q: What objects use sound energy to produce light energy
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Q: How does the energy of the energy of the particles in a certain amount of liquid copper compare to the energy of the molecules in the same amount of liquid water why
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Q: In the late 1800s experiments using cathode ray tubes led to the discovery of the electrons
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Q: When an object is partly or wholly immersed in a liquid it is buoyed up by
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Q: How much does an object need to weigh to sink in a bucket of water
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Q: How do pulleys and gears use forces
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Q: How does density relate to liquid layers
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Q: What goes around the world without moving
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Q: How is radiation the direct transfer of energy
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Q: If Particles in a solid cannot move around they can only
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Q: When the heated material moves from one place to another thermal he is transferred by the process of
1 answer
Q: What type of energy comes from the Sun and travels to Earth
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Q: What is the term used to describe loss of electrical energy in transit due to friction among atomic particles
1 answer
Q: When the thermal energy of a material decreases
1 answer
Q: What is the usable form of energy in the body
2 answers
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