Force & Motion
What is a force?
push or pull
What are the 3 types of energy we discussed
Kinetic, Potential, Mechanical
What is the atomic number of an element?
The number of protons
What is Density?
How tightly packed an object is.
What is the highest point on a wave?
Crest
What is the number we use to define gravity?
9.8m/s/s
What is kinetic energy
energy of movement
How is the periodic table organized?
Density equation
D=m/v
What is the lowest point on a wave?
Trough
what do you need to know to solve for Potential energy
mass, gravity, height
How many groups are on the periodic table?
18
What is the density of water? Need units
1 g/mL
What is amplitude?
From the center to the crest or center to the trough
What is inertia?
Tendency of an object to stay at rest.
What is the equation for kinetic energy
1/2mv^2
What is a physical change?
alteration to the form, state, or appearance of matter without changing its chemical composition or identity
What is archimedes principle?
any object submerged will experience an upward buoyant force equal to the weight of the fluid it displaces
What is frequency?
the number of times a repeating event, such as a wave, vibration, or oscillation, occurs within a specific period, usually one second
Name one of newtons laws
Object in motion stay in motion
F=ma
Action reaction
Where on a roller coaster is the KE the highest
at the bottom of the highest slope
Count the total number of atoms: 3Mg3(PO4)2
39
A sample has a mass of 45.82g and a volume of 8.75mL. What is the density.
5.24g/mL
What is wavelength?
The distance from one crest to the next.