2 hard physics quistions

[dr:esraa]

المشاركة الأصلية كتبت بواسطة nada_elsayed

a body has aweight of 160 N when weighted in air and a weight of 120 N when totally immersed in a liquid
Find relative density of the body?

hwa msh el mafroud enna hangeb el upthraust force w hatb2a 40 n w ba3dha l mafroud ykon ma3ana el denisty bta3t el liqued 3ashan ngeb el volume immersed w lma ngeb l volume immersed n2dr ngeb el denisty bta3t el solid w n2smha 3la 1000 w ngeb el R.D bta3t el body ????????? a3tkd en el so2al na2so el denisty bta3t el liqued fe 7alet lw 3awez l rR.D rakm mo7add !!!!!!!!!!!
lakn p2a lw 3awez lratio between l R.D W l denisty bta3t el liqued >>>>>>>>>>>>
fa ana tl3t m3aya l R.d = 0.04 DENISTY OF LIQUED W t2rebn ana mut2kda mn egabty fa yaret tktby el full answer