Reading this graph will tell you an objects...
Velocity
The term for something that only has a magnitude
Scalar
This means how far something has traveled (scalar)
Distance.
The unit of mass in physics
Kilogram
You walk 20 meters West and then 10 meters East. What is the total distance.
30 meters
Reading this graph will tell you an objects...?
Acceleration
The term for something in physics that has magnitude and direction
Vector
The equation for this term is F=(Gm1m2)/(r2).
Gravity or Gravitational Force
The units for velocity in physics
meters per second (m/s)
You walk 20 meters West and then 10 meters East. What is your displacement?
10 meters west
What is one conclusion you can make from this graph?
more time on a screen leads to a lower level of happiness
p=mv means that _____ is an objects mass multiplied by it's velocity.
Momentum
The term in physics can be thought of as "speed with a direction"
Velocity
Unit for work
Joule
An object is dropped off a skyscraper from rest. How fast is it going in 4 seconds?
39.2 m/s
The type of relationship that this graph demonstrates
is a positive exponential relationship
This is a term that is used to describe the tendency for an object to stay at rest or stay in motion at constant velocity
Inertia
This term is the rate at which the velocity is changing
Acceleration
Unit you would use when calculating the height a projectile traveled.
Meters
How many joules does a 8 W bulb use in 1 minute? (P=E/t)
480 Joules
Draw a velocity vs. time graph that shows an object moving with forward with an acceleration of 0.
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The formula for friction is F=uN. Which variable in that equation would be different for two objects of identical mass, one being made of rubber and one being made of glass?
u: The coefficent of friction.
This is a type of collision in which the two objects stick after hitting.
Inelastic
Units of momentum (p=mv)
kg x m/s
An object is dropped from rest and falls for 3 seconds. How far has it traveled? (g=9.8m/s2) (Displacement = Vit x 1/2(a)(t2))
44.1 meters
Draw an acceleration vs. time graph that shows an object moving with forward with an acceleration of 2.
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What unit is used for mass x acceleration?
Newtons
This type of energy is stored in objects (example: objects sitting high on a shelf, the energy stored behind a dam, etc)
potential energy
Unit for electrical power
Watt
What is the wavelength a wave moving at the speed of sound (743 m/s) at a frequency of 2 hertz.
(v=fλ)
371.5 m