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A high schooler looking for some complicated physics problems 
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#1
Mar1110, 06:34 PM

P: 24

I'm in high school and am very frustrated by how easy "physics" is. I really enjoy the subject but feel it's watered down in my school, and apparently my state.
I would like to do some more complicated problems that only cover intro to physics, but are very complicated in that you need to actually think. I'm bored with physics in my school. My calculus is not good enough yet to do complicated calculus, so I can't do that. I want to challenge myself. 


#2
Mar1110, 06:47 PM

P: 119

If [tex]x=2sin(9t)[/tex] expresses a mass on a spring in simple harmonic motion, what is its maximum velocity?
Not exactly difficult, but it requires some thought. 


#3
Mar1110, 06:49 PM

P: 24

Are there any books with physics thought problems?
I need problems that challenge my logic, not my ability to plug and chug. Your problem is good. I hear about SHCAUM's 3,000 Physics problems, but I don't wanna waste money on something that isn't very challenging. 


#4
Mar1110, 09:16 PM

Sci Advisor
P: 5,510

A high schooler looking for some complicated physics problems
have you checked out Jearl Walker's "Flying Circus of Physics"?



#5
Mar1110, 09:43 PM

P: 4,663

Here is an interesting problem.
Consider a point A in space at x_{1}, y_{1}, and another lower point B at x_{2}, y_{2} (not directly below the upper point). A bead slides on a stiff frictionless wire between the two points. Find the shape (curve) of the wire such that the transit time from a bead released at point A to point B is a minimum. Note: The shortest distance (direct line) is not the quickest. If you want specific numbers; use y_{1}y_{2} = 1 meter, and x_{2}  x_{1} = 1 meter. Bob S 


#6
Mar1210, 05:16 AM

P: 649

The bicycle is on a rough surface and is being gently supported so that it doesn't fall over sideways. It is a standard pedal bicycle. You tie a string to the pedal as shown and pull horizontally. In which direction does the cycle move? 


#7
Mar1210, 10:50 AM

P: 17

Go to Amazon and search “Schaum’s Physics” and have your folks buy you a book. I have the “3000 Solved Problems..” and find it invaluable. They work from simple to hard in each category and solutions to all problems are given so you can learn if you get stumped. (Note – you need to cover the solutions as you work through the problems.)
The only thing I don’t like about the book is the problems assume you’ve mastered what’s come before. I like to skip around, so that’s kind of a pain, but you’ll probably be sticking to the first chapters so you should be ok. Good luck! David 


#8
Mar1310, 10:18 AM

P: 3,967

Try this. You have a wheel of radius (r) with a mark on the rim that is in contact with another mark on the road. The wheel is rolled forward by less than half a turn (theta degrees) so that the distance the base of the wheel moves along the road is x= 2*Pi*r*(theta/360). What is the vertical and horizontal distance that the mark on the rim of the wheel moves by?
Warning. Despite its simple appearance this is a very difficult problem. 


#9
Mar1310, 06:26 PM

P: 17

David 


#10
Mar1310, 10:45 PM

P: 24

Are they all 3000 problems a good difficulty or do I have to weed out the easy ones to get to the hard ones?



#11
Mar1410, 01:21 AM

P: 2,464

your in a room with 2 iron bars , one is a magnet and the other is not ,
how do u tell which one is the magnet , you can only use the two iron bars to tell which one is the magnet. another one , i light 2 candles one candle on each end of the merry go round then i put a glass chimney around the candles to protect the flame from getting blown out when it goes around . but they are still open to the top and i spin the merry go round , which way do they candle flames lean , or do they lean at all . do they lean out , lean in , fall behind , angle back at a diagonal . lean forward . 


#12
Mar1410, 05:37 AM

P: 511

2*pi*r(theta/360)  rsin(theta) 


#13
Mar1410, 05:38 AM

P: 511




#14
Mar1410, 08:07 AM

P: 3,914

But I'm to lazy to 


#15
Mar1410, 08:26 AM

P: 75

For Classical Mechanics, I would look at Morin's book:
http://www.amazon.com/IntroductionC...8573084&sr=81 


#16
Mar1410, 08:45 AM

Admin
P: 23,376

Consider concrete block lying on the surface, mass m, friction coefficient f. What is the minimum force required to pull it from the place. Assume Earth surface (that is, g).



#17
Mar1410, 02:05 PM

P: 511




#18
Mar1410, 02:11 PM

Sci Advisor
P: 5,510




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