Dec 27, 2024 · I thought velocity was always a vector quantity, one with both magnitude and direction. When it came to the suvat equations, where v = final velocity, and...

Oct 31, 2022 · hello, I read in a lecture paper about fluid mechanics that velocity is not related to viscosity, i found this odd and i think it is an error , can someone...

Aug 1, 2009 · I heard it would be possible to have zero velocity & non zero acceleration (I know the opposite situation where there is velocity (constant), but zero acceleration). Could anyone …

Jul 20, 2025 · As far as I know, if we have a wave function as a sum of many momentum eigen function, i.e., ##\\psi=\\sum_k \\alpha_k e^{i(kx-\\omega t)}##, the group velocity is the velocity …

Jul 9, 2021 · Though average speed over a finite interval of time is greater or equal to the magnitude of the average velocity, Instantaneous speed at an instant is equal to the …

Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time. To do this we work out the area of the nozzle and …

Sep 26, 2003 · Can anyone tell me the difference between "rotational velocity" and "angular velocity"? I got that angular velocity is the dimension of angle/time, but rotational velocity is the …

Sep 3, 2012 · I understand that it's possible to have a negative instantaneous velocity, but I'm wondering if it's possible to have an negative average velocity. For example, let's say you start …

May 29, 2017 · Numerically, speed of wave propagation (defined as wave velocity) = ω/k = phase velocity But, conceptually is there any difference between phase velocity...

May 16, 2015 · James walks 2 km away from home in 30 minutes. He then turns around and walks back home along the same path, also in 30 minutes. Calculate James’ average speed …