6. A 100 cc block of Styrofoam (density 100 kg/m³) is held by a massless string, attaching the bottom of the block to the bottom of the vat, in a vat of water (density 1 gm/cc) as shown in the diagram.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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6. A 100 cc block of Styrofoam (density 100 kg/m³)
is held by a massless string, attaching the
bottom of the block to the bottom of the vat, in
a vat of water (density 1 gm/cc) as shown in the
diagram.
В.
What is the tension in the string?
С.
block in it), i.e. everything (vat, water, block) accelerates downwards with
acceleration due to gravity, g. Now what is the tension in the string?
Justify your answer. [Hint: Think carefully about how the buoyant force is
derived]
Now imagine you drop the whole vat of water (with the Styrofoam
Transcribed Image Text:6. A 100 cc block of Styrofoam (density 100 kg/m³) is held by a massless string, attaching the bottom of the block to the bottom of the vat, in a vat of water (density 1 gm/cc) as shown in the diagram. В. What is the tension in the string? С. block in it), i.e. everything (vat, water, block) accelerates downwards with acceleration due to gravity, g. Now what is the tension in the string? Justify your answer. [Hint: Think carefully about how the buoyant force is derived] Now imagine you drop the whole vat of water (with the Styrofoam
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