If the ball hits the wall at an angle of 45° after traveling 25m upwards, what does that tell you about what the maximum height reached would have been if the wall was not present?
Hi Rapier!
In question 6, \gamma denotes the Lorentz factor, \gamma=\frac{1}{\sqrt{1-\frac{v{^2}}{c^{2}}}}. Does this help you determine the correct answer?
For question 11, as you correctly said, we have the idea of a relativistic mass. This is the "actual" mass of an object traveling at...
At my university here in the UK the physics department is just getting larger and larger, the intake this year was ~250, up from ~220, and only ~20-30% drop out before graduation.
http://www.ocr.org.uk/qualifications/type/gce/science/physics_a/documents/
OCR maintain a stock of all their A-level past papers free for anyone to download. This is the exam board I did my A-level physics with, I wouldn't say they are particularly difficult at all, although the grade...
Well, start with the x-component of v_f. What will that be?
Remember there's no friction whilst the mug is sliding, and I assume there is no air resistance.
Well, I could derive why it produces a hyperbolic cosine here, if you like? With regards to a qualitative explanation, I'm sure someone else can provide a clearer answer than myself.
Well, your solution is incorrect at two significant figures, so I presume your book didn't make that assumption, and you may have to use reduced mass in the future.
It seems like you have been asked to find the first Lyman series wavelength for this atom, correct? You have worked out the...
I wouldn't say it was resolved in the wrong way, your reasoning will work well enough for any purpose where the orbiting particle has negligible mass compared to the nucleus.
The same idea applies when we model planetary orbits. Assuming that the orbiting body orbits the centre of mass of the...
By simply replacing me with 207me, you are assuming that the meson is orbiting the centre of mass of the hydrogen proton. This assumption is valid for electron orbits as their mass is negligible for all intents and purposes, but as the proton is only ~9 times more massive than the meson, we must...
http://www.shanghairanking.com/SubjectPhysics2011.html
There you go. The Shanghai rankings are based purely on research quality/teaching, whereas a lot of the newspaper rankings (including the good uni guide) also take into account factors such as city life. I wouldn't base any decisions on...