Vol 6 - Landau+Lifschitz - Fluid Mechanics · Problem 70.1

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Physics — Landau & Lifshitz · spherical-waves

Problem

At the initial instant, the gas inside a sphere with radius aa is compressed so that ρ′=constant≡Δ\rho' = \text{constant} \equiv \Delta; outside this sphere, ρ′=0\rho' = 0. The initial velocity is zero in all space. Determine the subsequent motion.

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