What does PPE stand for?
Personal Protective Equipment
What type of quantity is displacement? What type of quantity is distance?
Displacement is a vector Quantity. Distance is a Scalar quantity.
What is the value of the missing side of the triangle
opposite=3
Adjacent=4
Hypotenuse=?
How would you draw a free-body diagram for a ball during free-fall in the presents of air resistance?
Draw a circle with a long arrow pointing down for gravitational force and label Fg. Then draw a short arrow pointing up for air resistance and label it Fair.
Which of the following units is used to measure acceleration?
a. m/s
b. m s
c. m/s2
d. m2/s2
m/s2
What is SI unit for the amount of a substance?
Mole(mol)
What is the formula for acceleration?
A=Vf-Vi / t
How many sig figs is 3020.40?
6 sig figs
Which one of the following is not a Scalar Quantity?
length
mass
temperature
weight
weight
A rule or principle that describes what happens in nature is a....
Scientific law
The ground is rough textured, with little grass, and many pebbles. What type of data is this?
Qualitative Data
two dimensional
What is 650,000,000 in scientific notation?
6.5 X 108
Which one of the following is not a vector Quanity
velocity
displacement
speed
force
speed
Josh collected 10 dimes during his walk in the park. What type of data is this?
Quantitative data
What is called when you solve for an exact or specific amount of something?
Precision
Which of the following is an example of projectile motion?
a. a jet lifting off a runway
b. a thrown baseball
c. an aluminum can dropped straight down into a recycling bin
d. a space shuttle being launched
b. a thrown baseball
Convert 9,474 mm to centimeters
947.4 cm
a plane takes off at an upwards angle for 10 meters at a 30 degree angle. What are the x and y componets.
x=8.6m
y=5.0m
A factor in an experiment that changes from the manipulation of the independent variable is the.....
Dependent variable
Which one is most trusted by the scientific community? Law, Fact, or Theory
A fact
A toy car is given the initial velocity of 7.0m/s and experiences a constant acceleration of 1.0m/s2 . What is the final velocity after 6.0s?
Vf= 13.0m/s
A block slides down a 45 degree slope for a total of 2.8 meters. What is the change in the height of the block?
y= 2.0m
84m, 59 degrees N of W
During an experiment, When you decide whether or not the data supports the original hypothesis, you are....
drawing conclusions