Question

A rod with density $\delta(x) = x^2+2x$ lies on the $x$-axis between $x= 0$ and $x= 2$. Find the mass and center of mass of the rod.

score 8.4k · Answer 1 · 2026-04-15 22:24:01

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A rod with density $\delta(x) = x^2+2x$ lies on the $x$-axis between $x= 0$ and $x= 2$. Find the mass and center of mass of the rod.

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score 1.9k · Answer 2 · 2026-04-11 06:55:04

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List Question

A rod with density $\delta(x) = x^2+2x$ lies on the $x$-axis between $x= 0$ and $x= 2$. Find the mass and center of mass of the rod.

one-dimensional inverse square laws

Modelling a Water Rocket. Requires Some Validation and Help. ( WARNING : Extremely Long but Interesting Post )

Need help deciphering equation that was messed up when used on a thread online

Finding the total distanced covered (physics)

Solving an ODE with Mathematica, using Lagrangian mechanics

Geostationary orbit

Line Integral to Find Work on Slope (Without Explicit Use of Vector Calculus Format)

Square Root Yields Different Result After Unit Conversion

The heat energy per unit mass required to raise the temperature of a thin slice of material

Finding Acceleration of Two Objects Touching

Finding Orbital Period of an Object

Does distance increase equally in equal time intervals under the influence of gravity?

Using definite integrals with velocity and acceleration

Need help deriving an expression for average acceleration in terms of displacement and time

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