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A log? As in a log that came from a tree, right? If the density of water was decreased enough, such that it is now lower than a log's density, then the log would no longer float, but sink.
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∙ 13y ago
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What is a device used to determine speed and sound in water?
doppler log
What is the pOH of pure water at 60C?
pH = -log(concentration of H+ ion) which indicates acid pOH = -log(concentration of OH- ion) which indicates base In pure water at 25 degree Celsius, concentration of H+ and OH- is equal i.e. 10^-7 mol/dm^3 so, the sum of pH and pOH is -log(10^-7) + -log(10^-7) = 7 + 7 = 14
What are the types of pH?
pH is by definition equal to:pH = - [log [H3O+]or = - [log [H+]At 25oC, in water solutions:pH = 7 : neutralpH > 7 : alkaline, basicpH < 7 : acidic
Calculate pH of H3Oplus equals 2.4EXP-10 M?
In its most basic form pH = -log[H3O+] where [H3O+] is the concentration of hydrogen ions from the dissociating acid in water (protolyse). pH= -log[H3O+] = -log[2.4*10-10] = 9.6
How can you demonstrate that water is denser than ice without weighing them?
Note that less dense objects will rise above more dense objects. I.E. Helium is denser then our atmosphere so balloons filled with it float. Simply put a cube of ice in a container of water and see if it floats. Also; you can't cant tell density by weight. A massive mountain is more dense then a twig but also a pebble is more dense then a massive log.
What are the properties of floating log of wood transported by water?
From the information you've provided ... that the log floats in water and is being transported by it ... the only properties that can be inferred are: -- The density of the log, in its aggregate entirety, is less than that of the water. -- The vertical dimension of the portion of the log below the water's surface is less than the depth of the water.
Is there gravity under water?
Definitely. A rock sinks in the ocean because gravity operates on it even under water. A log floats in water not because gravity stops under water but because the log's density is lower than that of the water.
Why does a log float?
An object will float on water if it has less density than the water. Or than any other liquid on which it is supposed to float.
How can I protect my Myspace account from being hacked?
dont click on spams that will "log you off" to make u "log" back on. if that happends just exit the window && open a new one && log back on.
How does density work?
Ok, say you have a hollow log. Now say you stuffed it with cotton. The more that is in the log, it gets heavier. That is how density works.
Can you tell why large log of wood floats on water but steel needle sinks?
Actually, the steel needle can float on water as well, so long as the surface tension is not broken. Answering the question, the buoyancy (ratio of density to that of displaced water) causes the log to float.
Are objects that sink are more dense than water?
Yes, the weight of the object doesn't matter as much as the density. For example, a pebble will sink in water because it is very dense, yet a log won't because it's not as dense as water.
Will oak log float in water?
Yes if the density of the wood is less than that of water, no if the wood is high density (like ironwood) in which case it sinks. Even common woods like oak will sink uner the proper circumstances. There is a thriving industry on the Ottawa River in Canada salvaging sunken logs which have been underwater for more than a hundred years.
What sport do men balance on logs in water?
log rolling, two folks on a log, they try to roll the log with their feet and get their opponent to fall into the water.
How can we generate a synthetic seismogram?
The procedure to create a synthetic seismogram is as follows:- Multiply the velocity (calculated from the sonic log) and density logs to generate an acoustic impedance (AI) log. When a density log is not available, the densities can be calculated from the velocities with Gardner's rule: the density is proportional to the ¼ power of the P-wave velocity. - Calculate from the AI log the reflection coefficients (using Zoeppritz' equation)- Determine the wavelet from the seismic data -Convolve the wavelet with the reflection coefficient trace to generate the synthetic trace
If mass is added to a log changing which factor will keep the log at the same level in the water?
Increasing the length of the log
Why does a log float in water?
A log will float in water because a log is less dense than water. If you take any number of objects/substances that don't mix immidiately (ex: water, molasses, oil, ice, a cork and/or a rock) and put them in a container together the items will settle into layers by density (salad dressing does this too). The bottom layer will be the most dense and the top will be the least. You can actually do this experiment yourself with a clear drinking glass as the container. Interesting factiod: Not all wood floats in water. There are a few types of wood (Ebony, Lignum Vitae) that are denser than water and therefore do not float.
