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Which is a possible condition for an area of the moon that receives no light? Fog, Strong winds, Thunderstorms, or Cold tempeeratures
are sound waves longitudinal
how do you calculate the average speed of a moving oject?
Which is a possible condition for an area of the moon that receives no light? Fog, Strong winds, Thunderstorms, or Cold tempeeratures
how many grams of sucrose is needed to make up 0.2m in a 200cm solution??
As a concept and not involving too much of maths, can you tell me what is the difference between force and energy? Am I right in thinking that energy in action is force? Atomic forces (strong and weak...
Can you enlighten me, please? I will stick with the basic structure of the atom (of a nucleus with its protons and neutrons) and electrons moving in their orbitals. This fundamental structure of an...
If i have two magnets, each rated with 80 lbs of pull power, and place them with opposite poles so that they push apart, what is the amount of weight, or power of the opposing force?
why does the cold change shape? Why are there so many strains however other viruses have one specific shape and antibodies can attach to make them harmless and 'remember' this for future attacks. Why...
Thank you for enlightening me. I know I should not directly look at the sun as it can permanently damage the retina leading to blindness. However, I can easily look at the sun at the sunrise and...
wot is it that stops animals breeding with other animals say...dog and sheep or cat and a monkey ect ect and humans and birds and so on so on I would like you to explain it but with not too many big...
Why do you get the urge to rub your eyes when tired? And why does it make you feel better?
How do you determine Density?
Wouldn't it be nice to have a science magazine programme like "Tomorrow's World", like good old Raymond Baxter and James Burke used to present (and before it was treated to the usual BBC dumbing down)...
What does the mathematical symbol ' mean? For example, in an on-line quiz, one question might be 20'30'45? What does that mean?
Is butane gas different from propane gas. Can I interchange them on my water heater
system in which two or more principles coexist (9) ?l?r?l?s?
Thank you for explaining. I know the temperature rises as the heat input is increased. I know the kinetic energy of the moving atoms in a substance. Actually what is the relationship between...
The approximate mean photon energy of a black-body spectrum which is emitted by an object at a temperature of 10^5 K is ? eV . (answer to one significant figure) ALSO The wavelength at which this...
If the distance between two electrically charged particles is doubled, what happens to the electric force bewteen them?
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