Tagged Questions
0
votes
1answer
245 views
Goldstein's Classical Mechanics exercises solutions [duplicate]
Does anyone know where I can find some (good) solution of Goldstein's book Classical Mechanics?
1
vote
2answers
144 views
Can a student with a heavy math background start learning physics with Goldstein's “Classical Mechanics”? [duplicate]
Can a student with a heavy math background start learning physics with Goldstein's "Classical Mechanics"?
Or is the book too obtuse with basic physics that I need to start elsewhere?
15
votes
11answers
972 views
Why quantum mechanics?
Imagine you're teaching a first course on quantum mechanics in which your students are well-versed in classical mechanics, but have never seen any quantum before. How would you motivate the subject ...
0
votes
0answers
138 views
Best physics toys/models for learning [closed]
I'm trying to gather as many different physical or generally thought-provoking toys as possible.
I need to know what physics toys are out there, and where to get them.
I remember coming across an ...
2
votes
8answers
1k views
Real world examples for projectile thrown upwards or downwards
I am preparing a physics course for high school about projectile motions. If a projectile moves with initial velocity $v_0$ in the gravitational field of the earth, the equation
$$
s(t) = 1/2 g t^2 ...
3
votes
1answer
187 views
Some questions about the logics of the principles of independence of motion and composition of motion
In high-school level textbooks* one encounters often the principles of independence of motion and that of composition (or superpositions) of motions. In this context this is used as "independence of ...
4
votes
4answers
225 views
Applications of recoil principle in classical physics
Are there any interesting, important or (for the non physicist) astonishing examples where the recoil principle (as special case of conservation of linear momentum) is applied beside rockets and guns?
...
2
votes
2answers
3k views
Difference between momentum and kinetic energy
From a mathematical point of view it seems to be clear what's the difference between momentum and $mv$ and kinetic energy $\frac{1}{2} m v^2$. Now my problem is the following: Suppose you want to ...
1
vote
2answers
351 views
Simulation of physics of chains/ropes in force fields resources?
I'm thinking about a project to tackle, and I'd like to make a simulation that allows the user to define a rope or chain of length L, pin it at arbitrary points r1, r2.... etc. and draw the resulting ...
3
votes
1answer
384 views
Phenomena which are incorrectly declared as resonance phenomena?
In standard college physics text books, high-school books and popular level physics books, the collapse of the Tacoma Narrows Bridge is often taken as an example of resonance. However a more detailed ...
11
votes
4answers
1k views
How can I measure the mass of the earth at home?
How can I measure the mass of the earth at home?
How was the mass of the earth first measured?
