Magnitude of the change in momentum equation Homework Statement A single gas molecule of inertia m is trapped in a box and travels back and forth with constant speed v between opposite walls A and B a distance l apart. At each collision with a wall, the molecule reverses direction without...
If you apply a changing force, will either the velocity or the acceleration change in the same way as the force? When a constant force acts on an object, what does the object's change in momentum depend upon? Check all that apply. a. The change in momentum depends upon the magnitude ...
For the sake of completeness it is first shown how the macroscopic mass, momentum, and energy balances used in engineering are obtained from the "equations of change" of theoretical physics. In these derivations the role played by the moving surfaces is taken into account explicitly, and the ...
in the partial differential equation (PDE) for conservation of momentum. To complete the change of coordinates for the momentum balance, we must determine the gradient of the pressure and the Laplacian of the velocity field in the moving coordinate system. As mentioned for the transformation of th...
I would like to have an equation that says "The spatial change of the linear momentum vector is equal to the sum of these terms...", or written as an equation: grad(ρu)=A+B+C+…grad(ρu)=A+B+C+… whereAA,BB,CC(and so on) are terms that depend on densityρρ, fluid velo...
The equation of motion for a radiating charged particle without self-interaction term Thus, the resulting equation of motion emerges from equating the total rate of change of momentum to the external force, without the introduction of a "... L Herrera - 《Physics Letters A》 被引量: 18发表...
Forum: Introductory Physics Homework Help W Change in Momentum of shopping cart Homework Statement A 12kg shopping cart rolls due south at 1.5m/s. After striking the bumper of a car, it travels at 0.80m/s at 30. degrees E of South. What is the magnitude and direction of the change ...
How does the canonical momentum pi≡∂L∂q˙ipi≡∂L∂q˙i transform under a coordinates change q→Qq→Q? Ask Question Asked 12 years, 11 months ago Modified 2 years, 10 months ago Viewed 3k times 9 The canonical momentum is defined as pi=∂L∂qi˙,pi=∂L∂qi˙, ...
Governing equations for continuity and momentum The Navier-Stokes equations for uncompressed viscous liquids take the following form: Continuity equation: ∂ui∂xi=0Eq. (1) where ui is an element of the flow velocity, and xi is the coordinate. Momentum equation: ∂ui∂t+uj∂ui∂xj...
Forum:Introductory Physics Homework Help Change in Momentum using Vectors Homework Statement A force F = (2ti + 3t^2j) N acts on an object moving in the xy plane. Find the magnitude of change in momentum of the object in time interval t=0 to t=2 (The bold ones are vectors) Homework...