Solving the Puzzle: Calculating Acceleration of Blocks

AI Thread Summary
The discussion centers on calculating the acceleration of two blocks connected by massless strings and a frictionless pulley. The initial calculation yielded an acceleration of g/20, while the correct answer is g/10. Participants emphasize the importance of showing work to identify errors in the solution process. The conversation highlights the need for clarity in problem-solving to facilitate effective assistance. Ultimately, understanding the correct approach is crucial for solving such physics problems accurately.
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Homework Statement



in the given diagram all the stings and pulley are mass-less ad there is no friction calculate the magnitude of acceleration of the two blocks?

Homework Equations





The Attempt at a Solution


the acceleration of the blocks is obtained by me to be g/20 but the answer is g/10.my attempt at the problem is given on the other image. i have vied hard for it , so please help me.
 

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g/10 is the correct answer. You must have done something wrong, but we can not help unless you show your work. ehild
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
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Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
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