Saved Bookmarks
| 1. |
To what depth must a rubber ball be taken in deep sea so that its volume is decreases by `0.1%` (The bulk modulus of rubber is `9.8xx10^(8) N//m` , and the density of sea water is `10^(3) kg//m^(3))`A. 100 mB. 60 mC. 75 mD. 65 m |
|
Answer» (a) From free body diagram of the wooden block, `Vsigmag=mg=(0.5xx10^(-2)[3+(0.5)/(3)]xx10^(-2)xx10^(3)xx9.81)/(2)=0.77N//m` |
|