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Christian, Emily, Jose, Sammie, Yarely

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Jenna, Veronika, Kierra, Rosie, Sofia, Vishaav

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Jenna, Veronika, Kierra, Rosie, Sofia, Vishaav

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Ben, Don, Juan, Lesly, Paola

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Ffric ≤ μkFN

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Danilo, Isabella, Jonathan, Leilani, Lucy, Tytus

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Leilani, Jonathan, Danilo, Lucero, Tytus, Isabella

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Static Friction
Kinetic Friction

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Danilo, Isabella, Jonathan, Leilani, Lucy, Tytus

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Constant Acceleration = equations
Non-constant = Calculus

Free Fall
Acceleration -9.8 m/s^2
+,- are directions
True freefall = y direction

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Th object(s) is not moving

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Friction is always in the opposite direction of motion

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Acceleration is called centripetal or radial acceleration a=v^2/R

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A) Kinetic
-Mechanical
B) Potential
-Gravitational
-Elastic

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Particle moving in vertical plain/has initial Velocity and in free fall

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static systems have no acceleration

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P=FV

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Work is the only way energy can be transferred.

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Pavg=W/dt

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Power is your change in work over time

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there is no acceleration and the sum of forces is 0

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Position
Velocity
Acceleration

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Period of revolution is the time it takes for the particle to move in a circular path

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vx=vx0+axt
x=x0+vx0t+.5axt^2

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unit of power is watts

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Positive Work: Energy transferred to the object.
Negative Work: Energy transferred from the object.

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Work: energy transform From one Type to another and to a different object. But the total amount is still the same

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Instantaneous power = instantaneous time rate of doing work

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-The energy of an object in motion
-Equation to find Kinetic Energy
KE=(1/2)mv^2

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Positive Power
Negative Power

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NO ACELERATION (V is constant)
x+x0=(v0cos(theta0))t

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work = Fd

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Triangles in circles, triangles are EVERYWHERE

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"I am speeed" - Lightening McQueen

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motion along one line/in one direction

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Acceleration is always -g (-9.8m/s^2)

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-Stored energy
-Gravitational Potential Energy
-Stored energy based on gravity
U=mgh

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Restrictions:
-Force must be constant.
-Object must be particle like (rigid).

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FTy=FTsin theta

Ftx=FTcos theta

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units for work: Joules

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Forces are in equilibrium:
Sum of forces= 0
= no acceleration
-that information is used in X & Y directions to solve for missing variables

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force that resists relative motion between two bodies in contact

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Horizontal and Vertical motion are independent of each other.
Solve one at a time.

The only commonality is time.

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Measured in Newtons

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Path through space(traces a parabola) Found by-
y=(tan(theta0)x - ((gx^2)/2v0cos(theta0)^2)

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-mechanical potential energy stored
-occurs when objects are impermanently compressed, stretched or deformed in any manner
U=1/2kx^2

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Static frictional force is the opposing force that prevents an object from moving

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net work is the sum of the works done by the individual forces acting on a single object

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Kinetic frictional force is the opposing force that acts on an object in motion

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Measured in Watts: J/s

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Distance projectile travels in x by the time it returns to initial height. Found by- R=(v0^2/g)sin2theta0

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work is measured in joules
w=fd
w=(ma)d
w=(ma)(delta d)

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Energy is measured in Joules!!!

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at center of circle