A cube of wood of density 0.780 g/cm3 is 11.2 cm on a side. When placed in water, what height of the block will float above the surface? (water density = 1.00 g/cm3)
a. 8.74 cm
b. 11.2 cm
c. 2.46 cm
d. 3.46 cm
e. 1.46 cm
c
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The moment of inertia of a solid sphere about any diameter is 2/5 MR2. What is the moment of inertia about an axis that is tangent to the surface?
What will be an ideal response?
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A string of length L with fixed ends is made to go into standing wave patterns. What is the longest wavelength associated with all possible standing wave patterns in this situation?
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