Question

if the velocity of the body becomes two-fifth of initial, then find the ratio of new kinetic energy to old kinetic energy​

Answer 1

Answer:

Galvanisation is a method of protecting steel and iron from rusting by coating them with a thin layer of zinc. The galvanised article is protected against rusting even if the zinc coating is brokenGalvanisation is a method of protecting steel and iron from rusting by coating them with a thin layer of zinc. The galvanised article is protected against rusting even if the zinc coating is broken

Explanation:

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Answer 2

Explanation:

It the method of protecting steel and iron from rusting of by coating with a thin layer of zinc.The glavanised particles is protected aganist rusting even if the zinc coating broken