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Posts tagged motion

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30%
+2 −7
Q&A Why did my roller luggage's wheels stop turning smoothly?

Two weeks ago, my carry on worked perfectly. But last week the detachable wheels stopped rotating smoothly, when I tried to glide my carry on. The wheels budge JUST A TAD when you push them hard, b...

0 answers  ·  posted 2y ago by TextKit‭  ·  last activity 2y ago by deleted user

Question motion friction
60%
+1 −0
Problems Find equation of motion using. Lagrangian given equation is $L'=\frac{m}{2}(a\dot{x}^2+2b\dot{x}{y}+c\dot{y}^2)-\frac{k}{2}(ax^2+2bxy+cy^2)$

$$L'=\frac{m}{2}(a\dot{x}^2+2b\dot{x}{y}+c\dot{y}^2)-\frac{k}{2}(ax^2+2bxy+cy^2)$$where a, b, and c are arbitrary constants but subject to the condition that $b^2 − ac \ne 0$. What are the equat...

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by celtschk‭

71%
+3 −0
Problems Find initial velocity when a stuntman jump from $1.25 \ m$ height

A stuntman jumped from $1.25 \ \text{m}$ height and, landed at distance $10 \ \text{m}$. Find velocity when he jumped. (Take $\text{g}=10 \ ms^{-2}$) I had solved it following way. $$h=\fra...

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by deleted user