Vectors and Relative Motion
Quantity with magnitude and direction
Vector
The condition of free fall is
No air resistance
Only gravity
The base unit of mass in the metric system
gram
free fall
What is Mr. Mellor's Favorite Color?
Green
Frame of reference is a fancy way of saying
point of view
An object is dropped from rest. What is it's velocity at
t = 1s. v = ______
t =2s. v = ______
t =3s v = ______
t = 4s v=______
-10m/s
-20m/s
-30m/s
-40m/s
-50m/s
The base unit of volume in the metric system
liter
Vertical velocity can be changed by _______ forces
Vertical
What is Mr. Mellor's dog's name?
Newton
Give 3 examples of vector values
Velocity
Force
Acceleration
Displacement
Momentum
The acceleration due to gravity is
-10m/s^2
How many grams in 2 kilograms
2000 grams
In projectile motion which force do we ignore?
Air resistance
Where did Mr. Mellor go to college?
Massachusetts Institute of Technology (MIT)
The total velocity of a man running at 10m/s EAST on top of a train going WEST at 100m/s
90m/s = 100m/s-10m/s
An object falls for 10s off a cliff. How far did it fall?
D = 0.5 * g *t^2
500m
D = 0.5*(10)*(10)^2
1 gram
The amount of time an object is in the air depends on this component of 2D Motion
Vertical Motion
How old is Mr. Mellor
27
Draw two velocity vector arrows showing a person throwing a baseball at 100 mph given he is running at 50mph and throwing at 50mph
-------->
Vtotal = 50 + 50
What is the most accurate value of the acceleration due to gravity? -10m/s^2 is this value rounded up
-9.81m/s^2
If you have 1750 meters of rope, how many centimeters of rope do you have?
175,000 cm
Horizontal velocity in projectile motion _______ change
Does not
How many siblings does Mr. Mellor have?
2 siblings