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seen Feb 25 at 4:00

May
29
awarded  Notable Question
Apr
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awarded  Yearling
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awarded  Critic
Jan
23
comment Why do tuning forks have two prongs?
Yeah I saw, I was surprised it wasn't closed as a duplicate.
Jan
22
awarded  Mortarboard
Jan
22
awarded  Popular Question
Jan
22
comment Why do tuning forks have two prongs?
All but 1 primary mode would be damped out, from other comments it seems the vibration resulting from the prongs vibrating in anti-phase is the only one that is not substantially damped.
Jan
22
accepted Why do tuning forks have two prongs?
Jan
22
awarded  Good Question
Jan
22
comment Why do tuning forks have two prongs?
@Tobias, Agreed I was hoping for something a little more in depth.
Jan
22
awarded  Nice Question
Jan
22
asked Why do tuning forks have two prongs?
May
2
awarded  Supporter
May
2
comment How do kinetic energy and linear momentum relate?
Objects that aren't accelerating don't apply a force, so both of those objects are applying 0 force until they come in to contact with some that has some inertia. Destructive properties is ambiguous, it depends on several things like how the energy is dispersed in the collision. For example if the ball is made of rubber maybe it will heat up and deform greatly upon collision which would absorb a lot of its energy. Meanwhile if the train is completely inelastic then when it collides all of its energy will be transferred kinetically. Otherwise though I agree with your last statement.
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29
awarded  Teacher
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awarded  Editor
Apr
29
revised How do kinetic energy and linear momentum relate?
clarification
Apr
29
answered How do kinetic energy and linear momentum relate?
Apr
26
awarded  Scholar
Apr
26
accepted Relative Change of Volume