Sartem Cacartem
• Member for 3 years, 1 month
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## 9 Answers

2 votes

The drag equation stands that the an object travelling through the air receives a force of d*v^2*a*q, if the aerodynamic coefficient (q) was 1 and the air density 1.2 then the cap would have received ...

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2 votes

it is because of the conservation of angular momentum. https://www.youtube.com/watch?v=M6PuutIm5h4 The water in the drain is always spinning very slowly, the only way it wouldnt rotate if it is ...

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2 votes

https://en.wikipedia.org/wiki/Perpetual_motion#Apparent_perpetual_motion_machines This is a fancy capillary bowl and the same force that pushes the water upwards will prevent the droplet at the top ...

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2 votes

If you strip electrons from a liquid and then mix them with the cations they will recombine but it is possible to prevent it by heating it to high temperatures, enough to convert the liquid into a gas....

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1 votes

Yes, if particles are splitted in half, temperature will decrease to a half. But when you dissolve salt in water, each sodium and chlorine molecule will by surrounded by water molecules. https://en....

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1 votes

The amount of attenuation in viscoelastic materials is called acoustic attenuation coefficient. viscoelastic materials stretch and bounce back like rubber and have viscosity the equation is P(x+Δx)=...

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1 votes

For the experiment you can use a cup with water and sodium bicarbonate or baking powder to reduce the resistance of the water, then tune the multimeter to voltage and connect each side to the battery ...

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0 votes

There is no contradiction since human voice's frequency is lower than bird's and is over 85 hz https://erikbern.com/2017/02/01/language-pitch.html that means the wavelength is \$\frac{343 m/s}{85 hz}=...

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For a water-filled glass tube in air at standard laboratory conditions, γ = 0.0728 N/m at 20 °C, ρ = 1000 kg/m^3, and g = 9.81 m/s^2. For these values, the height of the water column is. h=(1.48*10^-...

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