Suggestions on how to study for physic finals

AI Thread Summary
To effectively prepare for physics finals, focus on solving a variety of practice problems to build confidence and understanding. Techniques such as breaking down complex problems into smaller, manageable parts can help alleviate overthinking. Utilizing mnemonic devices can aid in memorizing equations and key concepts. Reviewing specific chapters, like waves and sounds, through targeted practice is essential. Consistent practice and a structured study approach are crucial for success in physics.
Missy81590
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Hi everybody. My physics final is right around the corner and i was just wondering if there was any good way to help prepare and study. Physics isn't the easiet subjects for me, i tend to over think problems and get myself all nervous. Please let me know if there are any problem solving techniques or easy ways to remember certain equations or concepts. It would really help alot. Thank you so much! The chapters that i am having most trouble with is waves and sounds, including interfearance.
 
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The best way to prepare for a physics exam is generally to work as many problems as you can get your hands on.

- Warren
 

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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