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Results tagged with homework-and-exercises
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user 977
Applies to questions of primarily educational value - not only questions that arise from actual homework assignments, but any question where it is preferable to guide the asker to the answer rather than giving it away outright. Please READ THE GUIDANCE IN META before asking homework-like questions.
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Calculating the magnetic flux density of a thin, flat conductor
I am currently preparing for a physics exam and I have troubles understanding how to solve the following exercise:
A current that has the constant current density $\vec{j}$ flows through a thin, f …
- 309
1
vote
1
answer
703
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Rocket drive and conservation of momentum
I am currently reading through some lecture notes of Physics 1 and in a chapter about the dynamics of the mass point, there is an example covering the rocket drive.
Let $v$ be the velocity of the roc …
- 309
1
vote
1
answer
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Regarding the centrifugal force in a 3-body system
In our lecture about general mechanics, we have treated the simplified 3-body system consisting of the Sun, the Earth and the Moon. We assumed that the moon does not have any influence on the Sun or t …
- 309