If acceleration $a = v\cdot\frac{\mathrm dv}{\mathrm dx}$ , then why isn't acceleration always zero when velocity is zero?
8711
Problems in the relation $a=v\frac{\mathrm{d}v}{\mathrm{d}x}$
70477
Asking the vector form of the equation about velocity
113343
$f$ is constant if derivative equals zero
100866
Why is $\int_{0}^{\infty} \frac {\ln x}{1+x^2} \mathrm{d}x =0$?
62022
Why is velocity of the mass $v/ \cos θ $? Why not $2v \cos θ$?
90555
Are velocity and acceleration smooth quantities?
122484
Are acceleration and velocity simultaneous?
38673
General relativity: For massless particles, is the momentum and velocity 4-vectors equal?
19962
Why is $\infty \cdot 0$ not clearly equal to $0$?
127519
How is momentum conserved in this example?
78786
Why does an open interval NOT have measure zero?
62218
Why should Conservative forces have their curl equal to zero?(intuition)
72278
What is the value of $\frac{\sin x}x$ at $x=0$?
101888
Least action principle : is $ \delta \frac{dx}{dt} = \frac{d \delta x}{dt} $ always true?
3433
Proof if $a \vec v = 0$ then $a = 0$ or $\vec v = 0$
138071
In 1D why are vectors, such as, e.g., velocity $v$ and acceleration $a$, not written with a vector arrow?
150133
Why is work scalar and the dot product of force and displacement?