What is this short function doing ? (_bird.physicsBody.velocity.dy < 0 ? 0.003 : 0.001)
9161
What does the question mark and the colon (?: ternary operator) mean in objective-c?
8545
Calculating length contraction at speed $c$ (not near it)
154453
How to calculate the velocity for this
55552
Why does the curl of a function provide this particular amount of information?
142821
Why?$\int_0^1\int_{u(t)}^{u(t)+w(t)} f(t,v(t)) dv dt = \int_0^1 f(t,u(t)+\theta w(t))w(t) dt; ~~\theta\in[0,1] $
110765
Angular velocity: $\omega = vr$ or $\omega = v/r$?
14863
Escape velocity at an angle
46130
"new BigDecimal(13.3D)" results in imprecise "13.3000000000000007105.."?
27902
What is the purpose of the single underscore "_" variable in Python?
68523
Am I doing this right? Finding the time derivative of expectation value of momentum
65463
Explanation: Simple Harmonic Motion
136184
Why we dont have "direct" velocity operator just as $p$? ( as use $p$ space not $v$? ) in quantum mechanics?
69854
Why is there a minus sign in this wave equation derivation?
35181
Integrals of Motion
113516
Why can we only add or subtract things of the same dimension (meters/second, newtons, etc)?
75259
Why is velocity squared in kinetic energy?
95598
Derivative of unit step function?