Who Was John D. Barrow? - Physics Forums
2020年9月28日 · John D Barrow's legacy in the scientific world is a lasting one. He was a brilliant mind and a prolific writer, inspiring many with his passion for science and mathematics. He will …
Scale of the universe if a star was a grain of sand - Physics Forums
2014年7月30日 · by John D. Barrow (Author), Frank J. Tipler (Author), & 1 more ISBN-13: 978-0198519492 ISBN-10: 0198519494
Which Book is the Best for Learning Electromagnetism? - Physics …
2010年6月23日 · The best book for learning about electromagnetism can vary depending on your level of understanding and specific interests. Some popular options include "Introduction to …
What Mathematics used to be done before Newton? (No …
2014年4月6日 · Fermat basically already had some stuff about derivatives in some form and solving for the max or min by finding a horizontal tangent line. Some versions of integration …
Proof of the relation between antenna aperture and gain - Physics …
2018年1月24日 · ## A_{eff}(\theta,\phi)=\frac{\lambda^2}{4\pi} G_d(\theta,\phi) ## is a consequence of the reciprocity theorem of electromagnetic (or circuit) theory. Note that this is …
Is a PhD in physics worth it? | Page 2 - Physics Forums
2024年12月17日 · After you get a PhD, you'd probably do one or two post-doctoral research positions (at 1-2 years each) before you can (hopefully) land a tenure-track university faculty …
Projectile race track physics help - Physics Forums
2013年3月2日 · Homework Statement The Track for this racing event was designed so that riders jump off the slope at 30°, from a height of 1m. During a race it was observed that the rider …
What Are the Forces Needed to Hold a Wheelbarrow at a 30∘ Angle?
2018年3月24日 · In summary, the problem involves a wheelbarrow with a mass of 63 kg and dimensions of a = 0.27 m, b = 0.43 m, c = 0.78 m, and d = 0.10 m. The goal is to determine …
A question about the speed of light and electromagnetism
john . Dec 25, 2024 #18 johnfrancismurray. 12 4. DaveC426913 said: The speed of light is not an infinite ...
How to find the function for which ∫ √x*√(1+y'^2) dx is stationary?
2013年12月8日 · this is an euler lagrange equation problem from the book- "classical mechanics-John R. Taylor", problem-6.11 find the path function for which ∫ √x*√(1+y'^2) dx is stationary. …