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Q: Why is Reynold's number dimensionless?
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What is Reynolds number?

Reynolds number Re is a dimensionless number that gives a measure of the ratio of internal forces to viscous forces and consequently quantifies the relative importance of these two types of forces for given flow conditions

Is relative dielectric constant dimensionless?

Correct: it is a dimensionless number.

How do you prove dimensionless groups?

A dimensionless number has no units. The units of all variables that compose the dimensionless number (product or ratio) must cancel each other.

Which dimensionless quantity has unit?

If a quantity is "dimensionless", that means it has no units, and it's just a number.

Describe Reynolds number and it's significance?

REYNOLDS NUMBER:It gives measure of ratio of the inertial forces to the viscous forces & it is a dimensionless quatity.Physical significance:1.It signifies the relative predominance of inetia to viscous forces.2.It is very useful in determining whether the flow is laminar or turbulent.

What are the dimensions of 32?

32 is a pure number (integer) and is dimensionless.

What are dimensionless numbers?

the dimensionless numbers have the definition as that of dimensionless groups, and have all the properties which dimensionless groups have.

What number is equivalent to 1 cup?

A pure dimensionless (without units) number is never equivalent to a number with a unit.

What is the phone number of the Reynolds Community Library in Reynolds?

The phone number of the Reynolds Community Library is: 478-847-3468.

What is 135 tons divided by 10000 pounds?


What is 60 and hour?

60 is a dimensionless number. An hour is a unit for measuring time.

Is the magnitude of a vector quantity a dimensionless number?

Yes, the magnitude of a vector is a scalar.