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| ap_physics_c_mechanics [2024/04/03 02:22] – created - external edit 127.0.0.1 | ap_physics_c_mechanics [2024/04/22 04:21] (current) – [AP Physics C Mech - Stuff to know] mrdough | ||
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| ====== AP Physics C Mech - Stuff to know ====== | ====== AP Physics C Mech - Stuff to know ====== | ||
| - | * Credit from Deleted Account | + | * Credit from Deleted Account. |
| * More Practice/ | * More Practice/ | ||
| - | AP Physics | + | * - CM = Phys C Mechanics |
| - | * *Remember to download this if you want to use it on the exam%%**%% | + | * - PB = Phys B |
| - | **Projectile Motion** | + | |
| + | =====AP Physics C Mechanics - Stuff to Know===== | ||
| + | |||
| + | * Remember to download this if you want to use it on the exam | ||
| + | |||
| + | **Projectile Motion** | ||
| * $v_x$ never changes | * $v_x$ never changes | ||
| Line 58: | Line 63: | ||
| * Now there’s two components of acceleration to deal with: aT and aC - aT is tangential accel and aC (or aR) is centripetal (radial) acceleration | * Now there’s two components of acceleration to deal with: aT and aC - aT is tangential accel and aC (or aR) is centripetal (radial) acceleration | ||
| * a=$\sqrt{a_{T}^2+a_{c}^2}$ | * a=$\sqrt{a_{T}^2+a_{c}^2}$ | ||
| - | * aC = v^2/r | + | * $a_C = \frac{v^2}{r}$ |
| * Problems to study: 2014 CM 2 (vertical wall), 2011 CM 2a, b | * Problems to study: 2014 CM 2 (vertical wall), 2011 CM 2a, b | ||
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| **Springs** | **Springs** | ||
| - | * F = -kx for normal springs | + | * F = -kx for normal springs, k is spring constant, unit is Newtons/ |
| - | * Springs store potential energy - Us = (1/2)kx^2 | + | * Springs store potential energy - Us = $\frac{1}{2}kx^2$ |
| * Problems might involve: | * Problems might involve: | ||
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| * Use it when the problem mentions it | * Use it when the problem mentions it | ||
| - | * P = Fv = dE/dt | + | * P = F(v) = \frac{\Delta E}{\Delta t} = \\frac{\Delta work}{\Delta t} = \frac{f_{avg}d}{\Delta t |
| * See 2003 CM 1b | * See 2003 CM 1b | ||
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| * Problems usually involve a dart or a collision | * Problems usually involve a dart or a collision | ||
| + | * Kinetic energy is conserved in an elastic collision but not in an inelastic collision | ||
| * Remember that momentum depends on the direction of the velocity as well! | * Remember that momentum depends on the direction of the velocity as well! | ||
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| ---- | ---- | ||
| - | - CM = Phys C Mechanics[[about: | + | - CM = Phys C Mechanics |
| - | - PB = Phys B[[about: | + | - PB = Phys B |
| - | - PO = Phys One[[about: | + | - PO = Phys One |
| - **Photo taken from**: Collegeboard AP Physics C: Mech Review Video, John Frensley[[about: | - **Photo taken from**: Collegeboard AP Physics C: Mech Review Video, John Frensley[[about: | ||