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Classical mechanics discusses the behaviour of macroscopic bodies under the influence of forces (without necessarily specifying the origin of these forces). If it's possible, USE MORE SPECIFIC TAGS like [newtonian-mechanics], [lagrangian-formalism], and [hamiltonian-formalism].
3
votes
1
answer
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Mass falling onto a spring from an inclined plane
I was studying for my AP Physics test when I came across the following problem, which seemed to confuse me:
The ramp is frictionless, and the spring is initially at it's relaxed length, and the angl …
1
vote
2
answers
893
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How do I use the Doppler effect equation when the direction of motion is unknown?
This was one of the problems on one of the AP Physics Practice tests I was working on, when I came across a small discrepancy:
A bat named Reggie hunts insects in a cave. Bats use sound waves to loca …
0
votes
2
answers
412
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Oscillation of a particle due to electrostatic attraction of 4 rods
I came across this problem in a previous year's version of my AP Physics test, about oscillations and waves. Here is the problem:
My solution:
Since we know $\frac{F}{m} = a, -\omega^2x = \frac{-4 …