must
A man is carrying a block of a certain substance (of density 1000 kg m^−3) weighing 1kg in his left hand and a bucket filled with water and weighing 10 kg in his right hand. He drops the block into the bucket. How much load does he carry in his right hand now.
15
Sep
A man is carrying a block of a certain substance (of density 1000 kg m^−3) weighing 1kg in his left hand and a bucket filled with water and weighing 10 kg in his right hand. He drops the block into the bucket. How much load does he carry in his right hand now. a number [...]
Statement 1 : In taking into account the fact that any object, which floats, must, have an average density less than that of water, during World War I, a number of cargo vessels are made of concrete. Statement 2 : Concrete cargo vessels were filled with air.
15
Sep
Statement 1 : In taking into account the fact that any object, which floats, must, have an average density less than that of water, during World War I, a number of cargo vessels are made of concrete. Statement 2 : Concrete cargo vessels were filled with air. a number of cargo vessels are made of [...]