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Shadowys
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Here's a fun one:
Consider an incline, which is one part of a circle, radius 'r' m. From one end of an incline(A), to the center O, there is a frictionless plane inclined at an angle of theta. A mass (A) slided down the striaght. slope. Another mass (B) which has the same mass of A, slides down the circular incline from the other end. Determine which mass reaches the center O first. It's better if you show your calculations...You're not guessing, are you? :)
 2 years ago
 2 years ago
Shadowys Group Title
Here's a fun one: Consider an incline, which is one part of a circle, radius 'r' m. From one end of an incline(A), to the center O, there is a frictionless plane inclined at an angle of theta. A mass (A) slided down the striaght. slope. Another mass (B) which has the same mass of A, slides down the circular incline from the other end. Determine which mass reaches the center O first. It's better if you show your calculations...You're not guessing, are you? :)
 2 years ago
 2 years ago

This Question is Closed

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
dw:1350647588577:dw hint: theta will vanish.
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
\[2\sqrt{\frac{ r }{ g }}\]vs\[\frac{ \pi }{ 2 } \sqrt{\frac{ r }{ g }} \] \[...\huge ?\]
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
lol calc then one of them is the right one.
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
you sure about the sqrt for the g?
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
these are times.
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
yup. doesn't the g during the derivation has a square?
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
don't think so. I see mine is wrong for a different reason though: used the wrong angle for chord length.... so what's the simple way to do it?
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
hmm..I'm used the workenergy theorem and striaghtline motion equations but let's see if others have more elegant answers.
 2 years ago

vannayen Group TitleBest ResponseYou've already chosen the best response.0
dw:1350732149436:dw compare v1 and v2 when it reach center O dw:1350733431967:dw
 2 years ago

Shadowys Group TitleBest ResponseYou've already chosen the best response.1
Would you mind labelling the graph? lol Didn't get 'l' because I can't the see the whole pic. And who is 1 and 2?\ Hint: Find the time taken. The velocity is just part of it. Because the distance taken might(might!!) just cancel them out.
 2 years ago
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