14. In the experiment Specific Heat Capacity, when you dropped the metal block (

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14. In the experiment Specific Heat Capacity, when you dropped the metal block (c 900 1/Kg K] into the calorimeter, why did you have to wait few minutes to take the temperature readinge If you have a similar size cube but made out of glass (ce 2000 u/kg K)1, what can you s specific heat and the time to reach at steady temperature reading. 4 points) say about its stimng stick nsulated lid insulated ring outer vessel nner vessel aif space the condition for an object to float or sink when is placed in a fluid? Support your answer with the data obtained from your laboratory class. Show and explain formulas (4 points) 15. In the experiment Archimedes' Principle, explain how you measured the buoyant force. What is ig t Mg

Explanation / Answer

15.

first we hang the block to the spring , the spring gets stretched and balances the weight.the tension force in the spring is same as the weight of the block. hence the scale reading shows the actual weight of the block.

now we take the system and immerse the block inside water. and again note the reading of the scale connected to spring, the reading will be smaller than the previous one. the difference in the two readings is nothing but the buoyant force.

the object floats in the fluid if the weight of the object is same as the fluid displaced by it.

if the weight of water displaced is smaller than the object's weight , the object sinks in that case

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