Question

A ball is dropped from the top of a building 100m height.At the same instant another ball is thrown upwards with a velocity of 40m/s from the bottom of the building. The Two balls will meet after________.​
(Answer in detail)

Answer 1

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The essential component for rusting is the contact of metal with oxygen and moisture. When the iron gate is painted, it protects the iron to get in contact with oxygen, hence prevents it from rusting.

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$\sf\blue{ElegantIshika \ :) ♡}$

Answer 2

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The essential component for rusting is the contact of metal with oxygen and moisture. When the iron gate is painted, it protects the iron to get in contact with oxygen, hence prevents it from rusting.