Vocabulary
Term used to describe a change in position.
What is displacement?
Equation for velocity
v = d/t
velocity is measured in _______.
m/s
_______ describes how close together several repeated measurements or events are to one another.
Precision
Free Points!
A runner starts from the 10 meter line and runs east to the 30 meter line. What was her displacement?
20 meters
Free!
Physics answers should always have a ______ and a ______.
number and a unit
What is your physics teacher favorite color?
Grey
Type of graph that uses slope to show changes in velocity
Position and time graph
unit used to measure velocity.
what is m/s?
what is acceleration of gravity?
9.8 m/s ^2
Time is measured in _____.
seconds
_______ is how close a measurement is to its accepted or “true” value.
Accuracy
_______ is a type of science that studies matter and energy.
Physics
Do you know the name of Mrs. Luna's oldest dog?
Tito
F=MA is newton's _______ law
2nd
gravity= _______
9.8 m/s^2
What instruments does Mrs. Luna play
Drum set and bass guitar
An object being pulled down by gravity is known as ____. (no other force is acting on it).
What is free fall?
what is the equation to solve for velocity when an object is in free fall?
v=gt
Calculate the velocity of an object in free fall if it calls for 10 seconds.
98 m/s
Forcee is measured in _______.
Newtons
to remain the same...does not change
constant
The variable that may show the effect of those changes is called the ________ variable.
dependent
A sailboat moves at 1 m/s. Wind increases its velocity to 10 m/s in 2 seconds. Calculate the acceleration.
4.5 m/s ^2
Calculate the force of a 100 kg car that has an acceleration on 4 m/s ^2.
What is 400 N
Convert 72 inches into meters if 1 inch=0.0254 meters
ABOUT 1.83 m
What genre books does Mrs. Luna read?
Horror/ mystery
__________ is the rate at which velocity changes.
What is acceleration?
A car starts at the bottom of a hill with a velocity of 30 m/s and 5 seconds later it is at the top of the hill going at a velocity of 15 m/s. What was the acceleration of the car?
-3 m/s 2
Distance is usually measured in ____.
meters
What WE change in the experiment is the _______ variable.
independent
A people mover has a velocity of 1 m/s and is 150 m long. If a man walks 2 m/s relative to the people mover, how long will it take him to reach the opposite end if he walks in the direction that the people mover travels?
50 s
Calculate the momentum of a 70 Kg hockey player if he travels at 2 m/s.
140 kg m/s
The arrows in a free body diagram of a Force Diagram are known as ________.
Vectors
What is Mrs. Luna's least favorite subject in school
English
an object rolling down a hill will have a ______ velocity.
What is Negative velocity?
The bicyclist started the race and half way through the race at 20 seconds she had a velocity of 5 m/s. Ten seconds later her velocity was 10 m/s. What was her acceleration?
0.5 m/s 2
Acceleration is measured in _______.
m/s ^2
A variable that is kept the same is called a _____ variable.
control
Calculate the velocity of a rock as it hits the bottom of a cliff it takes 5 seconds to fall to the ledge, and 3 seconds to fall from the ledge to the bottom.
29.4 m/s ^2
Calculate the net force of a car if it travels west with a force of 2,000N , and s hit by an oncoming car with a force of 300 N.
-1,700 N
A ball is dropped from a tall building and falls freely for 5 seconds before hitting the ground. Assume no air resistance. What two equations do we use to solve this problem?
v= gt and v=d/t
What's Mrs. Lunas favorite season?
Fall