Nội dung text 5. FLUID MECHANICS KEY SOL._CW.pdf
IX– Physics (Vol – II) Olympiad Class Work Book 10. mix 2 2 2 = 4 3 [option - 1] 11. 1 2 mix 2 3 2 2 2 [option - 4] 12. [option - 4] 13. F p A ; F P.A = 4 10 25 10 4 2.5 10 N [option - 1] 14. F P.A 10 100 1000N [option - 1] 15. 1 2 mix 1 2 2 = 2 3 4 24 7 7 [option - 1] 16. mix Total mass Total volume 3 3 3 2 5 10 3 6 10 5 6 10 10 18 28 11 11 [option - 3] 17. m 2m,m 3m 1 2 mix Total mass Total volume = 5m 2m 3m 3 8 5m 25 24 = 4.8g/cc [option - 1] 18. 1 2 v v,v 2v mix Total mass Total volume 2 v 3 2v v 2v 2 v 6v 3v 8v 8 3v 3 [option - 2] 19. a-s, b-p, c-v, d-q. 20. [option - 3] 21. if masses are equal mix 2 2 2 2 3( ) 2 2 3 if volumes are equal