Thursday, 22 October 2015

A man of mass 55Kg climbs up a flight of steps to reach the spring board .The spring is 6m above the water surface


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A piece of ice with a stone frozen into it, is floating in a glass vessel filled with water. If the ice melts completely, then level of water in the vessel will

Solution : Volume of melted ice=water  is less than ice ,then stone volume would remain unchanged ,therefore ,the level of water would fal...