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A review of concepts, equations, units, and variables for Semester 2 of Physics.

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
The units for momentum.   show
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An object's mass multiplied by its velocity (m · v).   show
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The variable for momentum.   show
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The total momentum before a collision is equal to the total momentum after a collision.   show
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Force applied over a distance.   show
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The units for work.   show
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The variable for work.   show
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show power  
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The units for power.   show
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The variable for power.   show
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The energy from an object's motion. (½ · m · v²)   show
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The energy due to an object's position.   show
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show gravitational potential energy  
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show Joules, J  
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The units for potential energy.   show
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show conservation of energy  
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show KE  
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The variable for potential energy.   show
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show Coulombs, C  
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show q  
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The amount of charge per second that flows past a spot on a wire. Also charge divided by time (q / t).   show
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The units for current.   show
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show I  
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The force of attraction or repulsion between objects that are electrically charged.   show
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The units for electrostatic force.   show
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The strength of an electrostatic force is equal to the constant times both charges divided the their distance squared (ke · q₁ · q₂ / r²).   show
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The force multiplied by the time of contact (F · Δt). It is also equivalent to an object's change in momentum.   show
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show N · s OR kg · m / s  
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show charging by conduction  
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show charging by induction  
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When an two objects rub against each other and one object transfers some of its electrons to the other object.   show
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The electrical potential energy divided by its charge. Also how strong a battery is.   show
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show volts, V  
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The variable for voltage or potential difference.   show
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How much a component in a circuit (such as a lightbulb) prevents current from flowing through it.   show
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The units for resistance.   show
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The variable for resistance.   show
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A circuit that branches off along different paths with different resistors before coming back together again.   show
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show series circuit  
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show Ohm's law  
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show 1 / Rᴛ = 1 / R₁ + 1 / R₂ + ...  
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show Rᴛ = R₁ + R₂ + ...  
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The height of a wave from the middle line to the crest OR from the middle line to the trough.   show
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show wavelength  
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The number of waves that pass per second.   show
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The wave phenomena which has a wave bounce off a surface.   show
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The wave phenomena whereby waves change speed as they pass from one medium to a different medium. This changes the angle of the waves slightly.   show
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The wave phenomena whereby waves spread out and form interference patterns when they pass through a slit.   show
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Created by: john.boren
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