Download Semester 1 Final Review

Space Systems Engineering
Semester 1 Final Study Guide:
Atom A
Draw and label the Bohr Model of
an Oxygen atom: (nucleus,
orbitals, electrons, protons,
neutrons)
Atom B
8p
9n
9p
9n
Which atom is the ion?_____________ Give the
notation: ________________
Which atom is the isotope?____________Give the
notation:___________________
What are the charges of the second
objects?
Attracting
Repelling
+
Draw the force field arrows for the
following:
Attracting
repelling
3 factors affecting the magnitude of the
force between two charged objects:
+
Coulomb’s Law
What is electricity?
What is the difference between parallel and series circuits?
What is the total charge of an object with 18 electrons and 17 protons?__________
An atom that loses electrons becomes positive/negative.
An atom that gains electrons becomes positive/negative.
Find the force between charges of +10μC and -50.0μC located 20.0 cm apart.
(K= 9.0 x 109 N m2/ C2)
If both charges (Q1 & Q2) are +, the objects repel/attract.
If both charges (Q1 & Q2) are -, the objects repel/attract.
If both charges have different signs (+,-), the object repel/attract.
Ohm’s Law
Resistance?
What battery voltage is needed to produce 2
amps through a 4-ohm light bulb?
Current?
Voltage?
A 12-volt battery produces what current through
a 6-ohm resistor?
Increases (I)
Increases resistance _______________ current.
Or
Decreasing resistance ______________ current
Decreases (D)
Increasing voltage ________________ current.
Decreasing voltage ________________ current.
Define
Conductor
Insulator
Grounding
Examples
Attractive For Electrons
increase
A girl pulls a wool cap off her head.
PVC What charge will be produced on her
Rubber hair?
On the cap? __________
Cotton
Paper Which will produce the most static cling
Silk with Cotton T-shirts in a dryer, wool
Fur socks or nylon stocking?
Wool
Hair Can there be static cling if only cotton
Acetate items are placed in the dryer?
Glass
Which of Newton’s Three Laws Applies?
______ A rocket moves forward because it pushes out gases from the back.
_______ It is hard to push a car, then hard to stop it.
_______ A 50 N force gives more accelerates to a 5 kg object than a 10 kg object.
Using acceleration due to gravity = 9.8 m/s/s, find the weight of a 3 kg mass.
Draw a series circuit that has two 12 volt
batteries linked together with 3
resistors, 3 ohms, 2 ohms, and 3 ohms.
Calculate the I, V, and R for each device.
Draw a parallel circuit with two 3 volt
batteries in series with each other and
two resistors in parallel, 1 ohm and 1
ohm. Calculate the I, V, and R for each
device.
Space Hazard
vocabulary
Atmospheric density
Define
Atmospheric pressure
Cold welding
Drag
Free fall
Out-gassing
Ozone
Photons
Van Allen radiation
belts
South Atlantic
Anomaly
Find the magnitude of the gravitational force a 66.5 kg person would experience
while standing on the surface of Mars that has a mass of 6.42 x 10 23 kg and a radius
of 3.40 x 10 6 m. (G = 6.673 x 10 -11 N m2/kg2)