Doubts in understanding the instantaneous velocity
70873
What is really instantaneous?
141202
Explanation on Newton's second law
127519
How is momentum conserved in this example?
119380
Clarifying question on meaning of derivative of a linear transformation
121639
Is momentum conserved in this situation?
59004
Why does time evolution operator have the form $U(t) = e^{-itH}$?
34400
Special Relativity - Regarding the Simultaneity of Events During the Train Paradox
12752
Question about the solution of the wave equation
12818
In calculating work done by a constant force over a constant distance, why doesn't the subject's initial velocity matter?
51253
Graphical intuition behind directional derivative interpreted as a(∂f/∂x)+b(∂f/∂y), where  is directional vector of unit length?
65463
Explanation: Simple Harmonic Motion
62022
Why is velocity of the mass $v/ \cos θ $? Why not $2v \cos θ$?
29256
Question on the hydrostatic paradox
33691
Confusion about a particular differential form being exact?
57401
Difference between Speed and Velocity
104244
Is the Momentum Operator a Postulate?
101257
Intuitive understanding of centripetal vs. centrifugal force