Motion
Forces
Energy
Circuits
Magnetism
100
What is the velocity of the object from t= 6 to t=8?
At rest, v=0
100
Draw the Free Body Diagram for a ball at the peak of it's trajectory.
100
What kind of energy best describes the food that goes into your body?
Chemical
100
What would happen to the above metal spheres if they were brought into contact with each other then returned to their original position?
They would all equal 4 e-6 C
100
What is the cause of Earth’s magnetic field?
Molten metal mantle and inner core (free electrons) rotating about it's axis (movement).
200
What are the distance and displacement of the above image?
Distance: 38m
Displacement: 18m, East
200
Which of property of an object determines the amount of inertia it has?
It's Mass
200
A 5 kg ball is dropped from a height of 9 meters. Answer the following question:
How much Gravitational Potential Energy would the ball have?
441J
200
What can be said about the charges of the charged particles in the diagram?
They are both positive
200
A wire carrying current into the page would produce magnetic field lines pointing:
Clockwise
300
What is this object doing at time t=0?
a. Speeding up
b. Hadn’t started moving yet
c. Is moving backwards
d. Is moving forward
d. Is moving forward
300
When something is moving in a circular path the Centripetal Force is:
a. The Force due to gravity
b. The Normal Force
c. The Force of Friction
d. Depends on the scenario
Depends!
300
A 5 kg ball is dropped from a height of 9 meters. Answer the following question:
How much KE would the ball have right before hitting the ground?
441J
300
What would happen to the total resistance of the above circuit if all the lamps were connected in series?
Total resistance would increase
300
What direction would the magnetic force point?
Left
400
Which sentence is the best interpretation of the graph?
A. The object is moving with a uniformly decreasing acceleration.
B. The object is moving with a uniformly increasing velocity.
C. The object is moving with a constant acceleration.
D. The object is moving at a constant velocity.
The object is moving with a constant acceleration
400
You hit a fly with a fly swatter. Who applied a greater force?
The flyswatter on the bug, or the bug on the flyswatter?
Trick Question! THEY ARE EQUAL!
400
A 5 kg ball is dropped from a height of 9 meters. Answer the following question:
How fast would the ball be going right before it hit the ground?
13.3 m/s
400
If you were to leave a 1500W Electric burner running for 2 days while you went on vacation, how much would it add to your electricity bill at a price of $0.14/kW-hr
$10.08
400
What is the difference between a motor and a generator?
Motor turns electrical energy to kinetic energy, and generator does the opposite.
500
You are a pilot of a plane carrying supplies into a warzone. You’re at an altitude of 1000 m traveling at 50 m/s to the right when you release the package.
How far away from the target would you have to be when you release the package for it to land on target?
714m
500
What is the name of the force that points perpendicular to the plane, and what would be an expression for it in terms of m, g, and theta.
Normal Force, mgcos(𝜃)
500
You and a friend while re-racking your weights after a work out lift up the same mass bar to the same shelf, but you take more time. How does your work and power compare?
Work is the same, They are more powerful
500
Two 6 ohm resistors, and a resistor with 3A running through it are all connected in parallel with a 12V battery.
What is the resistance of the 3rd resistor?
4 ohms
500
0.5m long wire carrying 2A of current traveling down and to the left at a 20° angle to a 6 T magnetic field pointing right. How strong and in what direction is the magnetic force?
2.05N, out of the page