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AP Physics Unit 1: Kinematics

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What angle allows for maximum range?

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Mar 1, 2020

Cards (44)

Section 1

(44 cards)

What angle allows for maximum range?

Front

45º

Back

Constant Acceleration

Front

The velocity changes regularly with respect to time. Since the velocity is changing, the slope must change, causing for a curved line (parabolic relationship).

Back

What equation uses... V0 ∆x 1/2 Vf t

Front

∆x=.5((v0)+(vf))t

Back

Free Fall

Front

Object acts under the influence of gravity alone. Assumes air resistance is negligible. Gravity is a constant force.

Back

X-Motion

Front

Constant velocity. Definition of Velocity Equation: ∆x=(Vx)t

Back

Vertical Component (y)

Front

Constant acceleration due to the force of gravity

Back

Distance

Front

How far an object moves/total ground it covers (scalar quantity)

Back

A graph that is concave down has (...) acceleration

Front

Negative

Back

Average Velocity (v)

Front

Displacement per time

Back

Equation for Velocity

Front

V=((∆x)/t)

Back

Horizontal Component (x)

Front

Constant Velocity

Back

Frame of Reference

Front

A framework that is used for the observation and mathematical description of physical phenomena and the formulation of physical laws.

Back

When is an object slowing down?

Front

When velocity and acceleration have opposite signs.

Back

What is the only similar thing between the x and y planes?

Front

Time

Back

Acceleration (a)

Front

A change in velocity over a time interval.

Back

Equation for Change in Velocity

Front

∆v=(vf)-(v0)

Back

A graph that is concave up has (...) acceleration

Front

Positive

Back

What does the area under the curve of a velocity graph tell you?

Front

The displacement of an object.

Back

Displacement (x)

Front

Distance and direction with respect to the origin

Back

What equation uses... V0 t a t^2 ∆x .5

Front

∆x=((v0)t) + .5at^2

Back

Scalar Quantity

Front

Defined by magnitude or volume

Back

What equation uses... V0^2 2 Vf^2 ∆x a

Front

Vf^2=(v0^2)+2a∆x

Back

Range (∆x)

Front

Horizontal displacement. It is dependent on the launch velocity and angle (Vx)

Back

Y-Motion

Front

Constant acceleration due to gravity. Free fall equations.

Back

Constant Velocity Trigonometric Equation

Front

Vx=(V0)*cos(Θ)

Back

Initial Velocity Trigonometric Equation

Front

V0y=(V0)*sin(Θ)

Back

Why is the path of a projectile always a parabola?

Front

∆x remains constant (constant velocity) while ∆y changes exponentially (due to acceleration)

Back

What equation uses... a Vf t V0

Front

Vf=(v0) + at

Back

Constant Velocity

Front

Linear relationship where x changes with respect to time. Positive velocity moves forward, up, or right. Negative velocity moves backward, down, or left.

Back

Equation for Acceleration

Front

a=((∆v)/t)

Back

What is always important to remember of the x and y planes?

Front

They are independent of each other.

Back

Complimentary Angles

Front

Sum of two angles is 90º.

Back

Vector Quantity

Front

Requires magnitude and direction

Back

For free fall, what can you do to the equations to constant acceleration?

Front

Substitute -9.8 in for a. Substitute ∆y in for ∆x (height).

Back

Average Speed

Front

Distance per time

Back

What does the slope of a velocity graph tell you?

Front

The acceleration of that object.

Back

Displacement Formula

Front

∆x=v*t

Back

Equation for speed

Front

S=(d/t)

Back

What is the acceleration due to gravity?

Front

g=-9.8 m/s^2

Back

Dynamics

Front

explains the causes of motion

Back

Kinematics

Front

Describes motion

Back

Change in Displacement Formula

Front

∆x=(xf)-(x0)

Back

When is an object speeding up?

Front

When velocity and acceleration have the same sign.

Back

Constant Displacement

Front

∆x=0, v=0

Back