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$A$ is narrow whereas $B$ is wide.

You are provided with two tumblers $A$ and $B,$ one narrow and the other wide, as shown in the diagram. Both contain the ...

A jet fighter has released a bomb.

What is the path of the bomb as observed by a stationary solider on the ground?

Neglect air resistance.

Try my World of ...

You may have seen this happen in Sci-Fi movies a lot.

When a space ship goes light speed, you begin to see all the stars move to your back and ...

As students of quantum mechanics should know, the solution to the quantum harmonic oscillator Hamiltonian gives an elegant result:

$E_n = (n+\frac{1}{2})\hbar\omega$

There's a constant ...

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