What's my approach for...
A problem relating the height and velocity of an object.
What is the Law of Conservation of Energy?
E_"initial"=E_"final"
The first thing you check for on any graph.
What are the axes?
The direction of centripetal acceleration.
What is towards the center?
The gravitational potential energy of an object.
What is
U_g=mgh
The number of multiple choice questions on the AP Physics 1 exam.
What is 40?
A problem asking about acceleration that doesn't include any forces.
What are kinematic formulas?
The area under the curve on this type of graph is defined as work.
What is a F-d graph?
The direction of the normal force when a roller coaster is moving in a vertical circle and the cart is at the top.
What is down?
Rotational Second Law.
What is
tau=Ialpha
What do you need to remember that is unique to the QQT problem?
What is it asks you the same question three ways
A problem that involves any type of collision.
What is the Law of Conservation of Momentum?
(p_1+p_2=p_1'+p_2')
Method to determine the displacement from a velocity-time graph.
What is determine the area under the line?
When the size of a spinning object decreases, this happens to the rotational inertia.
What is decreases?
Rotational kinetic energy.
What is
KE_r=1/2Iomega^2
How many points is FRQ#2, Translation Between Representations?
What is 12?
A problem that has an object with several forces acting on it.
What is draw a free-body diagram then determine the net force formulas?
A straight horizontal line on a velocity-time graph means the velocity is this.
What is constant?
The relationship between the force of attraction and the distance between two objects.
What is
F_Gpropto1/r^2
Kinematic formula without displacement to solve for final velocity.
What is
v_f=v_0+at
Which part of the lab FRQ do I recommend you do first?
B or C-D
A problem involving a cart moving down a ramp and colliding with another cart at the bottom of the ramp. (note: two parts)
What is the Law of Conservation of Energy THEN the Law of Conservation of Momentum?
Two things you can determine from a displacement vs time graph for an object in SHM.
What is the period (or frequency) and the amplitude (or maximum displacement)?
The change in angular momentum of a satellite as it moves around a planet in an elliptical orbit.
What is constant?
The angular momentum of an object.
What is
L=mrv
If a question asks you to relate something to a free body diagram, what MUST you discuss? De specific.
Net force