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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

How will you show that your breath contains moisture?

By the saliva in your mouth?

Look at your breath on a cold day outside. Breathe on a mirror and watch it fog.

B. K Smells?

The pollution is ever increasing and it is diffcult to ascertain its day by day growth. The YAP(Yamuna Action Plan) is a plan formulated by the Government of India but due to several different contractors being given the job, some being laid off or signed up day after day, and fluctuating public pressure, the YAP has had only minor successes. The YAP has been implemented since 1993 but despite getting funding of upto Rs.700 crore from The Japan Bank for International Co-operation, all efforts for improval have proved futile. -Tanuja Aundhe, Mumbai

What is the formula for calculating the weight of a cylinder?

First you need to calculate the volume - pi x radius2 x height. Then you multiply the volume with the density of whatever is in the cylinder.

First you need to calculate the volume - pi x radius2 x height. Then you multiply the volume with the density of whatever is in the cylinder.

First you need to calculate the volume - pi x radius2 x height. Then you multiply the volume with the density of whatever is in the cylinder.

First you need to calculate the volume - pi x radius2 x height. Then you multiply the volume with the density of whatever is in the cylinder.

What geometric shape is the universe?

Nobody knows. They do not even know if it is finite or infinite.

How do you work out the area of a sphere shape?

to find the volume of a sphere the equation is v= 4 over 3 x pie x the radius cubed

How do you work out the area of a sphere?

To work out the area of a sphere, you have to know its radius.

Once you know that:

-- 'square' the radius (multiply radius times radius)

-- multiply that result by 12.5664

The result is near the area of the sphere.

Why is 6018 divided by 12.1 smaller than 6018 divided by 12?

Try it with easier numbers. 12 divided by 4 = 3, 12 divided by 3 = 4

Dividing by a larger number gives a smaller result.

How do you do the card covers math problem?

The answer may depend on what the cards represent, but it is unlikely that any set of cards will cover all aspects of mathematics.

Can you Measure the distance between two widely spaced lines in the spectrum?

Yes but read on.Yes you can but it would be a VERY short distance. You would only be measuring the difference between one wavelength of light to another.Millimeters to the -X exponent. Probably -12 or so. VERY TINY.Spectrum is the measurement of the different colors/frequencies of light.

Why are factors in formulas squared eg gravity energy etc?

The simplest answer would be that it is simple the way it is. A linear change in distance and gravity just doesn't match up with reality. So a better answer is that this is way it must be. Nothing else really describes what is happening.

How long would it take a conventional rocket traveling at 50000 miles an hour to reach the nearest star?

The nearest star is our sun the equation to solve this is (1 Astro Unit /50000 mi-h)

AU=92.956x106

92.956x106 mi divided by 50000-mi/hr =

The answer to your questions is: 1859.12 hours

which is about 77 and ahalf days

What is meant by rectangular triangle componenets of a vector?

If you plotted the original path and velocity, and the path and velocity of the 'impacting' force, then the third leg of the triangle will be the resultant path and velocity.