Experts , I HAVE THREE QUESTIONS ...
1) A solid weighs 10 N in air and 8.6 N when completely immersed in water . Calculate the density of solid.
2) A piece of metal with density 6.4 g per cubic cm and volume 100 cubic cm is completely immersed in water . Calculate :
a) Weight of metal in air
b) Buoyant force acting on metal piece
c) Apparent weight of piece of metal
3) A stone is dropped from the top of building 125 m high , 2 seconds after first stone is dropped . Calculate the velocity with which the second stone must be dropped so that both reach the ground at the same time.
Kindly refer to the following link for the similar query,
https://www.meritnation.com/ask-answer/question/an-object-weighs-10-n-in-air-and-displaces-7-n-of-water-when/force-and-laws-of-motion/6506834
https://www.meritnation.com/ask-answer/question/an-object-weighs-10-n-in-air-and-displaces-7-n-of-water-when/force-and-laws-of-motion/6506834
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