SHMHard
Question
A cylindrical block of wood (density = 650 kg m-3), of base area 30cm2 and height 54 cm, floats in a liquid of density 900 kg m-3. The block is depressed slightly and then released. The time period of the resulting oscillations of the block would be equal to that of a simple pendulum of length (nearly) :
Options
A.52 cm
B.65 cm
C.39 cm
D.26 cm
Solution
mg = FB
h = Length of block immerged in water
650 × A × 54 × 10-2g = 900 × A × hg
h = 0.39m = 39 cm. Option (3)
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