Yep, pretty sure. Indicated negative buoyancy... Like if you place a cold object in a hot fluid, the fluid in contact will be cooled and thus sink. May want to take an absolute value if you're going on to find convection coefficient, otherwise some complex numbers may pop up (Depending on how you're calculating Nusselt number)
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negative number subtracted FROM a negative number will be negative
The answer to a problem that has a negative number added to a negative number would be negative.It would be a negative
A negative number. A positive number x a positive number = a positive number A negative number x a negative number = a positive number A positive number x a negative number = a negative Hope this helps :D
It does not. A negative number multiplied by a negative number equals a positive number.
A negative divided by a negative is a positive.