A ball is dropped from the height of 44.1m into a pond such that the splash of sound is herd after 3.2 sec on the top of a tower. find the velocity of sound in air
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A particle starts from rest and moves along a straight line covers a distance of S. with constant speed then 3S with uniform retardation and finally comes at rest. ▪the answer is 57▪▪▪▪▪▪▪▪▪▪▪▪▪▪ Find the
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