Could someone explain why ice floats on water??

Thank you.

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I am currently part of a school project and there´s one part of it that requires some information about cell counting.

Does someone have some basic information about cell counting to get started? Or could someone give me a brief explanation why cell counting is so important in science?

Thanks! :)

]]>Can anyone tell me the exact difference between Kinetic energy and dynamic pressure? TIA

Thank you,

Abubakar khan

]]>I have started to use Fluent and doubtit is the right package to use. I would appreciate if someone could tell me what Ansys Analysis Tool should be used and what the main steps to tackle the ping-pong ball problem are within Ansys. Thank you!

]]>Can some explain how engineers design and test their aircraft designs? I have seen videos online where they use computers to design and test, How does that work?

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What is fluid viscosity?

Thank you.

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I don't fully understand the Bernoulli's principle. Could someone please help me understand this?

Thank you.

]]>Could you please help me understand the physics behind conduction heat transfer?

Thank you.

]]>How do you define specific gravity? What is its significance?

Thank you!

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I noticed something very strange. When I put a straw in a glass of water, the level of water inside the straw was higher than the level of water in the beaker. Why is this happening?

Is there any dependence of pressure on height/depth from sea level? ?

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How does one define Boltzmann constant and what is its value?

Thank you

]]>What is the First law of thermodynamics so important?? and why is it so important?

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What is the surface tension of a fluid?

Thank you.

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