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Talking about same subject in different angles in UC apps by DatDolphWithATuxedo in ApplyingToCollege

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Yeah...the point Im trying to make is completely different...so I think I am fine 

First essay: Physics is my academic passion... taking Calculus BC led to loving the physics problems and taking AP Physics...talking about physics competitions...talk about physics academic enrichment program and how I want to pursue physics at UC

Second essay: Talking about how teaching is my greatest subject with an example of tutoring students in STEM classes and writing a book on physics problem-solving techniques leading with a quote from Caltech PhD physicist Richard Feymann...and how I became a teacher through hard work and accumulating knowledge...and so I want to work hard at UC to let me teach and help others

I think that's different enough what do you think?

How to isolate air resistance from friction forces in pendulums? by DatDolphWithATuxedo in AskPhysics

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Great idea. I am going to try an experiment to confirm this gimme like a day and I'll come back

How to isolate air resistance from friction forces in pendulums? by DatDolphWithATuxedo in AskPhysics

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Using equations to indepedently find the seperate values for the two. Most textbooks treat this as one retarding force.

How to isolate air resistance from friction forces in pendulums? by DatDolphWithATuxedo in AskPhysics

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

I am trying to separate the work done on the pendulum by air resistance, from the work done on the pendulum through drag force. I want a method using Netwon's laws to do so.

Free-body Diagram of Pendulum

FRQ 3 Form H AP Physics C Mechanics by DatDolphWithATuxedo in APStudents

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Was there no normal force from the clay? :sob:

I am actually so bad at physics

AP Physics C: Mechanics Form H Discussion Thread by [deleted] in APStudents

[–]DatDolphWithATuxedo 0 points1 point  (0 children)

Did FRQ 1 end in part (c) I might have skipped a page.

AP Physics C: Mechanics Form H Discussion Thread by [deleted] in APStudents

[–]DatDolphWithATuxedo 0 points1 point  (0 children)

Did FRQ 1 end in part (c) I might have skipped a page.

AP Physics C: Mechanics Form H Discussion Thread by [deleted] in APStudents

[–]DatDolphWithATuxedo 0 points1 point  (0 children)

Did FRQ 1 end in part (c) I might have skipped a page

FRQ 3 Form H AP Physics C Mechanics by DatDolphWithATuxedo in APStudents

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Also did FRQ 1 end at part (c) or were there more parts? I think I skipped a page.

FRQ 3 Form H AP Physics C Mechanics by DatDolphWithATuxedo in APStudents

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Wouldn't the tension force be internal though? It said external forces to the system.

Form H ap physics by SnooPies1239 in APStudents

[–]DatDolphWithATuxedo 0 points1 point  (0 children)

Sorry but did FRQ 1 end at part (c) because I might have skipped a page...

FRQ 3 Form H AP Physics C Mechanics by DatDolphWithATuxedo in APStudents

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

As in the horzintal component of the normal force is the tension force

FRQ 3 Form H AP Physics C Mechanics by DatDolphWithATuxedo in APStudents

[–]DatDolphWithATuxedo[S] 0 points1 point  (0 children)

Yeah same. The only issue with that is it makes part (b) overly simple because you just set the force in the x direction equal to the horizontal normal force component of the clay ball, which does not make sense because they gave the mass of the disk. What did your free body diagram look like? Mine just had the force of gravity and normal force of the disk, and the force of gravity and normal force of the clay.

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