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Physics
Peter R. McMahon's user avatar
Peter R. McMahon's user avatar
Peter R. McMahon's user avatar
Peter R. McMahon
  • Member for 5 years, 9 months
  • Last seen more than a week ago
  • Wollongong NSW, Australia
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About

Retired electronics technician with an interest in physics, aerodynamics & chemistry.

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Top posts
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question
7
How can micro black holes exist?
Jan 1
question
3
Is a hole better for creating a toroidal vortex than a pipe?
May 9, 2019
answer
2
Wave on a string- Reflection of waves
Jul 30, 2023
answer
2
Whistle Physics
Apr 28, 2019
answer
2
Why does Bernoulli's principle work?
May 13, 2019
question
1
How do Electrons in a Crystal Lattice form Pair bonds?
Sep 12, 2020
question
1
How does moving your legs forward on a swing propel it forward instead of backward?
Sep 19, 2020
question
1
How does a helicopter rotor keep spinning in the same direction when autorotating without reversing the pitch
Nov 13, 2023
answer
1
Clocks only measure repetitions and not time
Apr 1, 2019
answer
1
What happens if a helicopter's propeller spins in reverse?
Apr 23, 2019
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12
How does a helicopter rotor keep spinning in the same direction when autorotating without reversing the pitch
6
How to light a fluorescent lamp?