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.
Help!
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| show | kilograms times meters per second, kg · m / s
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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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| show | work
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| The units for work. | show 🗑
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| show | W
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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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| show | potential energy
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| show | gravitational potential energy
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| The units for kinetic energy. | show 🗑
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| The units for potential energy. | show 🗑
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| show | conservation of energy
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| The variable for kinetic energy. | show 🗑
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| show | PE
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| show | Coulombs, C
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| show | q
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| show | current
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| The units for current. | show 🗑
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| The variable for current. | show 🗑
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| The force of attraction or repulsion between objects that are electrically charged. | show 🗑
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| show | newtons, N
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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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| When an electrically charged object charges part of another object by moving near it without touching. | show 🗑
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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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| show | voltage OR potential difference
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| The units for voltage or potential difference. | show 🗑
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| show | V
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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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| show | R
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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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| The equation for the total resistance (or equivalent resistance) of a parallel circuit. | show 🗑
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| show | Rᴛ = R₁ + R₂ + ...
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| show | amplitude
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| The distance from one crest to the next crest OR from one trough to the next trough. | show 🗑
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| The number of waves that pass per second. | show 🗑
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| show | reflection
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| show | refraction
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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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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
john.boren
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