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kettlecrab
  • Member for 11 years, 5 months
  • Last seen more than a month ago
  • Washington, United States
11 votes
6 answers
17k views

Why do photons excite electrons?

11 votes
2 answers
5k views

Do airlocks in space decompress violently as they do in movies?

4 votes
1 answer
105 views

Mechanical waves edge between material and vacuum

3 votes
1 answer
1k views

Applying kinematics issue

1 vote
2 answers
7k views

relationship between kinematics and area under curve

1 vote
2 answers
2k views

How is the polarity of a magnet decided (before its creation)?

1 vote
1 answer
3k views

Proof that the ground pushes you up [duplicate]

1 vote
2 answers
1k views

Why aren't all large stars black holes?

1 vote
2 answers
115 views

Why do bubbles group when one pops? [duplicate]

0 votes
1 answer
252 views

Composition of kinetic energy

0 votes
3 answers
4k views

Basic vector addition problem [closed]

0 votes
1 answer
2k views

Write a parabolic equation in kinematics