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André Chalella
  • Member for 10 years, 9 months
  • Last seen more than a month ago
  • Rio de Janeiro - RJ, Brasil
20 votes

How does pressure of a fluid change with area, according to the continuity equation and Bernoulli's equation?

18 votes
Accepted

Difference between heat capacity and entropy?

12 votes
Accepted

Thermodynamic reversible process

11 votes

Is it possible to increase temperature of sun using radiation of sun itself?

8 votes
Accepted

Distribution of gravitational force on a non-rotating oblate spheroid

6 votes
Accepted

How to calculate the volume of water in a certain amount of air, given the relative humidity?

5 votes
Accepted

Kinetic energy vs. momentum?

5 votes

Why is there no relation between kinetic energy and momentum in collision of two bodies?

4 votes

Is there a fundamental reason not to define the work vice-versa

3 votes

Do reversible processes exist in Nature?

3 votes

Inexplicable Results in a Vacuum Experiment

2 votes

Heat Temperature and my dinner

2 votes

Calculating rate of vaporization of water

2 votes

Which dissipates more power, a small or big resistor?

2 votes

Why frequency is inversely proportional to time-period?

2 votes

Specific Heat equations - paradox!

1 vote
Accepted

"Violation" of the Second Law

1 vote
Accepted

question about elasticity and tensile strength of wires

1 vote
Accepted

Power required to keep a freezer at constant temperature

1 vote
Accepted

Generalisation of Reversible Equation to Non-Reversible Situations Because it Only Contains 'Properties of the System'

1 vote
Accepted

Are pressure and volume not independent properties in liquid water?

1 vote

What is the equation for the tension on the ends of a cable suspended at different heights?

1 vote

How long does force apply?

1 vote

Energy and work

1 vote

Should chemists at different altitudes factor in the specific gravity value when measuring mass via spring scale?

1 vote
Accepted

Work due to air resistance

1 vote

Difference between solid and gases thermal expansion

1 vote

Must flow be supersonic for disturbances not to affect upstream?

1 vote

Friction because of Earth's rotation

0 votes

Why do Signs Fall?