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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: Where does the energy go when a bouncy ball stops bouncing
2 answers
Q: The hypothesis should include what is going to be measured.
1 answer
Q: What does the wavelength of a EM wave tell you about its energy
2 answers
Q: In the following sentence which word is the adverb The ending completely shocked us.
1 answer
Q: How do charges cause static electricity
2 answers
Q: What was the independent variable in this experiment
1 answer
Q: Adding a force acting in one direction to a force acting in the opposite direction in the same as adding a
2 answers
Q: How do you convert Kg to Nm3
2 answers
Q: Why is electricity in power stations generated at 25000 v
1 answer
Q: Penetrating trauma caused by shrapnel is usually attributed to which of the following blast effect
1 answer
Q: Radiation burns which caused delayed irreversible changes of the skin can be caused by high doses of what for of ionizing radiation
1 answer
Q: What is the cause of excitement
1 answer
Q: People listening to a scientist speak at CERN are looking for political persuasion
1 answer
Q: What does a charged object react to a uncharged object
1 answer
Q: What is the overall force acting ona n object after all the forces are combined are called
2 answers
Q: Relate earths spinning motion to the coriiols effect
1 answer
Q: A recovering state is moving towards normalcy. A key consideration for the joint force commander is whether the population considers the level of governance to be and
2 answers
Q: Are the particles of matter moving what is between them
1 answer
Q: What causes the convection cell to turn to the left at point a
1 answer
Q: What happens when two objects at the same temperature are in contact
1 answer
Q: What us happening to the particles of water in ice as it turns to liquid using the particle model or matter
1 answer
Q: The word that describes what is a power source that splits atoms that contain large amounts of energy
1 answer
Q: Why inflated balloon not sink in water
1 answer
Q: A decrease in density as air is heated causes it to rise above coolermore dense air. truefalse
1 answer
Q: True or false does electrical energy can make heat energy
1 answer
Q: True or false does a conductor allow electric current o flow through easily
8 answers
Q: What is the inward force on an object
1 answer
Q: A magnetic field exists around a wire whenever
1 answer
Q: When electricity runs through light bulb what other type of energy is produced
2 answers
Q: If an object has a mass of 85 g and a volume of 92 cm 3 what is its density
1 answer
Q: What is the current in a circuit that has a resistance of 30 ohms and a power of 2 watts
2 answers
Q: What happens to a balloon when you heat it up
1 answer
Q: A 60lb block rests on a smooth plane incline at 20 with horizontal The block is pulled up the plane with a force of 30lb parallel to the plane What is the accelaration
1 answer
Q: The basic law of electrostatics states that like charges will
1 answer
Q: . Which of the following is the correct definition of electrical energy
2 answers
Q: Does the mass of the earth stay about the same
1 answer
Q: Is vector quantity always the same as a scalar quantity true or false
1 answer
Q: What are two forces of equal strength acting in opposite dirrection on an object
1 answer
Q: The sound wave has a frequency of 436 Hz what is its wavelenghth
2 answers
Q: To counter the effects of centrifugal force and reduced vehicle traction it is important to
1 answer
Q: All objects have kinetic energy.True or False
1 answer
Q: What are examples of types of motion
1 answer
Q: The material which can be deformed permanently by heat and pressure is called a
1 answer
Q: Actual weight of a penny in grams
1 answer
Q: Which is the correct definition of stress fracture
2 answers
Q: How and why friction is cut down on a dance floor
1 answer
Q: Is a match kinetic or potential energy
3 answers
Q: What property does the compressor alter so that more air can be injected into the combustion chamber
1 answer
Q: Is executing a swan dive kinetic or potential energy
1 answer
Q: Is throwing a curve ball kinetic or potential energy
1 answer
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