Physics
Martin Gales's user avatar
Martin Gales's user avatar
Martin Gales's user avatar
Martin Gales
  • Member for 12 years, 10 months
  • Last seen more than a month ago
Profile Activity

21 Questions

Score Activity Newest Views
44 votes
13 answers
5k views

Mechanics around a rail tank wagon

24 votes
6 answers
2k views

Rotation angle of a giant water lily when a child crawls on its rim

14 votes
5 answers
29k views

How do you determine power flow direction in a transmission line?

11 votes
3 answers
10k views

How long does it take an iceberg to melt in the ocean?

11 votes
3 answers
4k views

A water drop in vacuum

11 votes
2 answers
2k views

A problem inspired by the ice hockey game

8 votes
1 answer
981 views

elliptical ring rolling on a horizontal surface

7 votes
2 answers
4k views

A pendulum clock problem

7 votes
1 answer
552 views

A "global warming" problem

6 votes
2 answers
2k views

Two spheres (A physics olympiad problem)

5 votes
1 answer
8k views

Water rocket physics

4 votes
2 answers
3k views

Evaporation from a capillary tube

4 votes
1 answer
1k views

Collision between a rod and a bullet

4 votes
1 answer
195 views

A ball inside a cavity

3 votes
2 answers
525 views

A tunnel inside the Earth (but not an ordinary tunnel)

2 votes
1 answer
145 views

A beam of light, traveling around a planet

1 vote
1 answer
1k views

Maximum speed of a water skier

1 vote
2 answers
555 views

A lightning protection device physics

1 vote
2 answers
10k views

Measuring the Electromotive Force and Internal Resistance of a Battery?

1 vote
2 answers
670 views

A water drop in a falling lift

0 votes
4 answers
2k views

When is the force null between parallel conducting wires?

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