A block of metal measures 12 cm by 10 cm by 10 cm. When the block is hung from a spring scale, as shown in Figure 3a, the scale reads 30 kg. This is the "true mass" of the block. Suppose we attempt to measure the block's mass under water. The same mass, while hanging from the same scale, is completely submerged in water, as shown in Figure 3b. What is the reading (in kilograms) on the spring scale? Show and explain your work. Scale Figure 3a Figure 3b

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A block of metal measures 12 cm by 10 cm by 10 cm.
When the block is hung from a spring scale, as shown in
Figure 3a, the scale reads 30 kg. This is the "true mass"
of the block. Suppose we attempt to measure the block's
mass under water. The same mass, while hanging from
the same scale, is completely submerged in water, as
shown in Figure 3b. What is the reading (in kilograms)
on the spring scale? Show and explain your work.
Scale
Figure 3a
Figure 3b
Transcribed Image Text:A block of metal measures 12 cm by 10 cm by 10 cm. When the block is hung from a spring scale, as shown in Figure 3a, the scale reads 30 kg. This is the "true mass" of the block. Suppose we attempt to measure the block's mass under water. The same mass, while hanging from the same scale, is completely submerged in water, as shown in Figure 3b. What is the reading (in kilograms) on the spring scale? Show and explain your work. Scale Figure 3a Figure 3b
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