Page 306 - statbility for masters and mates

294 Ship stability
or
K2
; K I (Originally) Io Io I of discharged mass about G
400 9:81 0:5 4 p2
49:69
7:05
MEK2 10000 49:69
496 900 tonnes m2 50 142
9800 tonnes m2
Original I I of discharged mass 496 900 9800
487 100 tonnes m2
New I of ship about the original C of G
By the Theorem of parallel axes: Let
I2 NewIofshipabout NewIofshipabout W GG21 the new C of G the original C of G
Let
Let
Ans. T2 18:6s
I2 487100 9950 0:072 I2 487100 49
I2 487 051 tonnes m2
I2 M2EK2
; New K2 I2 M2
;K2 487051 9950
r
K2 NewK
K2 7m
2pK2 T2 New T p gEGM2
2p7
T2 p
9:81 0:57
487 051 9950