2009年7月12日 · Homework Statement In Fig. 11-59, a small 0.340 kg block slides down a frictionless surface through height h = 0.336 m and then sticks to a uniform vertical rod of mass M = 0.424 kg and length d = 1.69 m. The rod pivots about point O through angle θ before momentarily stopping. Find θ...

2011年11月12日 · So, what according to you guys is the ultimate toughest physics problem book and an equally great physics text with terrific explanation of concepts. I maybe asking a bit much, but I hope you can help me. I hope you guys can understand my level of knowledge in physics. I am 18 yrs old. Thanks.

2013年9月13日 · Sometimes how things relate don't jump out at me. And are there better ways to approach a problem? ++++ ex: Homework Statement A student drops her textbook from the top of a roof. It passed a distance of 1.4 m in .02 s (from the top of a window to the bottom). Find the distance from the top of the window to the top of the roof. Homework Equations

2008年9月8日 · A 1-mW laser of wavelength 400 nm, is directed into the interferometer. Initially the path lengths of the two arms are identical, so that all the light goes to the detector at the bottom (i.e., there's complete constructive interference of the waves from the two paths). b) Now instead a 5-mW...

2007年8月26日 · Difficult Problem! I Tried My Best! Homework Statement During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.50 m/s^2. When it is 230 m above the launch pad, it discards a used fuel canister by simply...

2009年12月6日 · I thought of this problem recently and I was amazed at how difficult it was to solve, given the simplicity of the statement of the problem. I still have no idea how to solve it. The problem is thus: two point masses of 1 kg each are spaced 1 meter apart in a vacuum in space, with no other forces present other than the gravitational force ...

2014年5月2日 · This problem was very difficult, and the most I could do was re-arrange the circuit into a make-shift Wheatstone bridge with all capacitors instead of resistors/voltmeter. Any ideas? Last edited: May 2, 2014

2012年3月19日 · It involves looking at the problem from different perspectives, making unexpected connections, and experimenting with new ideas and approaches. How can I learn from past failures when approaching a difficult problem? Reflecting on past failures can provide valuable insights and help you avoid making the same mistakes in the future.

2012年4月13日 · Here is a very challenging problem using calculus of variations. A frictionless bead slides on a smooth stiff wire from a fixed upper point x1, y1 to a fixed lower point x2, y2; y2 < y1, x2 ≠ x1 under gravitational force. Find the shape of the curve in the wire such that the transit time is a minimum.

2009年11月14日 · In summary, the problem involves a block attached to a cord on an inclined plane, with the other end of the cord wrapped around a cylinder resting in a depression at the top of the plane. The aim is to determine the speed of the block after it has traveled 1.40 m along the plane, assuming a coefficient of friction of μ = 3.00×10^-2.