Sep 25, 2016 · The discussion centers on the relationship between the exit velocity of gas and the diameter of a hole in a pressurized container. Initially, it was suggested that the exit velocity …

Oct 31, 2022 · The viscous force within a fluid will depend on the velocity gradient (aka shear rate) within the fluid. That does not mean that the viscosity is a function of velocity. Viscosity is …

Nov 21, 2009 · The minimum speed required for an object to complete a vertical circle is derived to be (rg)^0.5 at the top of the circle, where r is the radius and g is the acceleration due to …

Dec 27, 2024 · Velocity is fundamentally a vector quantity, possessing both magnitude and direction, while speed is a scalar representing only magnitude. In the context of the SUVAT …

Jul 20, 2025 · Since the phase velocity is linear in , , the group velocity is an average of all the phase velocities in the wave pocket. This turns out true in the simplest case which wave …

Aug 1, 2015 · Force can indeed be expressed as mass flow rate times velocity, particularly in fluid dynamics scenarios like water flowing through a pipe or gas from a spray can. According to …

Sep 19, 2010 · To find the initial velocity of an object launched at a 33-degree angle that lands 85 meters away, the correct formula is range = v0^2 * sin (2θ) / g. The calculated initial velocity is …

Sep 6, 2013 · To find angular velocity (ω) from torque (τ), the relationship τ = Iα is used, where I is the moment of inertia and α is angular acceleration. Angular acceleration can be expressed as …

Jun 27, 2010 · Homework Statement A rifle with a weight of 25 N fires a 5.5 g bullet with a speed of 260 m/s. (a) Find the recoil speed of the rifle. (b) If a 725 N man holds the rifle firmly against …

Nov 28, 2007 · A tire rolls in a straight line without slipping. Its center moves with constant speed V. A small pebble lodged in the read of the tire touches the road at t = 0. Find the pebble's …