Answers - January

Two Blocks and A Spring:



A Simple Torch Model:
Let and

where
if n is even and or n is odd and
otherwise.

A Falling Particle and A Prism:



Sliding Hemisphere:


Semi-infinite Charged Cylinder:


Swinging Ball:


Oscillating Capacitor:


An Old Bridge Model:
It makes angle φ from horizontal, where:



Cylinder and Block:

where


Cylinder Inside Solenoid:


Weird Lens:


Electromagnetic Cylinder:


Floating Block:


Air Friction:
Both will hit the ground at the same time.

Air Friction(2):
Equals to α

Inserted Capacitor:


Spherical Shells Capacitor:
It increases.

Get The Ball Out From Water:


Tilt Cylinder on An Inclined Plane:


String-Spring Oscillation:


Capacitors Circuit:


Swinging Ball on Rough Inclined Plane:


Rotating Square:



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Thank you.