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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.

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Q: If you exert an input force over a greater distance than the distance exerted by the output force for an ideal machine compare the size of the input and output forces
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Q: If you exert an input force over a greater distance than the distance exerted by the output force for an ideal machine compare the size of the input and output forces.
1 answer
Q: For a given machine explain why the MA is usually less than the IMA
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Q: For each of the following situations state if the object has potential energy or kinetic energy. (a) a bowling ball rolling down the aney (b) a book sitting on the top sheIf of a bookcase
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Q: What is the wavelength of a light frequency 4.47 x 1014 Hz
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Q: Explain how it is possible to do no work on an object even though you have applied a force to that object.
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Q: Dan has a mass of 55 kg on Earth. What is his mass on a planet that has twice Earth's gravity
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Q: What is the frequency of a photon with an energy of 4.56 x 10-19J
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Q: In which part of the scientific method would you make a prediction
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Q: Name something that is not matter. Why is it not matter
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Q: Which planet has the least gravitational potential energy when lifted to a height of 1 m if you drop a 30kg bowling ball
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Q: On which body would a 30 kg bowling ball have the least gravitational potential energy when lifted to a height of 1 m
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Q: Measuring the average energy of motion of the particles in a substance is the same as measuring the substance's
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Q: Are sound waves transverse waves while light waves are longitudinal waves or are all sound waves and light waves longitudinal waves
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Q: Non condensables in a refrigeration system result in what
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Q: . Which characteristic measurement of a wave is identified by the letter A on the diagram below
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Q: A doorknob makes it easier to twist a door latch in or out. How does a doorknob do this
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Q: Describing motion using words instead of numbers is called what
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Q: All of the following statements that describe velocity.
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Q: A current in a long straight wire produces a magnetic field. These magnetic field lines
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Q: An apple falls from a tree. The gravitational force on the apple is 1 N. If air resistance is 0.1 N what is the net force on the apple
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Q: Which form of energy is stored in the grass
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Q: What is more powerful a tornado or nuclear bomb
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Q: The quantity that can be zero if a body remains in motion for sometime is
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Q: The process where in a gas is coverted directly to solid without passing the liquid
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Q: What is the temperature at which a liquid and gaseous phases are in equilibrium
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Q: Is it true that A body with zero acceleration cannot have any potential energy
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Q: What is direct sources of energy for phototrophs
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Q: Is 0.3 ml smaller than 0.7 ml in a blood glucose meter
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Q: Which of the following produces electromanetic waves is it moving neuton
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Q: In a pneumatic line how does the layer of air next to the surface of the pipe move when compared to the other layers
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Q: How are a seismograph and a seismograph related
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Q: What kind of energy is water falling over a dam
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Q: Law of motion that states that an object will remain at rest or move in a straight line at a constant speed unless it is acted upon by a force
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Q: Can wood reflect off light
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Q: Centripetal force when turning
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Q: Why does metal bend
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Q: Along with the spin of the Earth what causes its magnetic field
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Q: A car is traveling down a straight road. Which of Newton's laws must be put into effect to cause the car to follow a curve in the road
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Q: Is 3kg heavy
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Q: The temporary storage of energy in the atpmolecules is part of which process
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Q: Plants convert radiant energy from the sun into mechanical energy which is used to help them grow. true or false
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Q: What are the system results of an air cooled condenser operating with a head pressure that ia to low
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Q: Which two forms of energy are most widely used in Canada Give an example of how each form of energy is Used
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Q: Speed at a particular point in time
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Q: When an object changes position
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Q: What factors does the kinetic energy of an object depend on (apex)
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Q: How does gravity depend on the mass of the two objects (apex)
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Q: What would happen to the voltage drop across each lamp if you kept adding lamps to a series circuit
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Q: How is converting grams to milligrams similar to converting pounds to ounces how is it different
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