Physics

Magnetic fields are bascially lines of force caused by magnetic poles. It is invisible, but you can track how the field lines are...

Popularity: 20   •   Tools:  Recategorize

Our sun is a star, and it helps us by giving us light and energy. There would be no life on Earth with out the sun. We do not...

Popularity: 20   •   Tools:  Recategorize

The focus should be on the image in the mirror. If you only focused it on the mirror, you will be x distance short. This is so...

Popularity: 20   •   Tools:  Recategorize

Postulate #1: The force of attraction among molecules are negligible. Postulate #2: The molecules make elastic collisions....

Popularity: 20   •   Tools:  Recategorize

The common way is to use crash test dummies.

Popularity: 20   •   Tools:  Recategorize

ACCELERATION- A measure of the rate at which a defined amount of matter increases its velocity. Measured in change in velocity...

Popularity: 20   •   Tools:  Recategorize

An endoscope is a type of medical equipment used in hospitals to look into other peoples bodies before they have an operation. It...

Popularity: 20   •   Tools:  Recategorize

Aggregated Diamond Nanorods ADNRs, are an allotrope of carbon believed to be the hardest and least compressible known material,...

Popularity: 20   •   Tools:  Recategorize

Instantaneous velocity mean change of displacement in extremely small amount time. (in math way, taking[ lim t--->0 (change in...

Popularity: 20   •   Tools:  Recategorize

He proved that a body plunged in a fluid becomes lighter by an amount equal in weight to the amount of fluid it displaces.

Popularity: 20   •   Tools:  Recategorize

The mechanics of flightI assume by 'flying' the question means powered flight by a heavier than air craft (such as an everyday...

Popularity: 20   •   Tools:  Recategorize

Physics is everywhere in hockey, from how the players speed up, to how the ice has a low frictional coefficient, so everything...

Popularity: 20   •   Tools:  Recategorize

It uses as vacuum to insulate the inside from the outside. The vacuum reduces the different ways heat can be dissipated; mainly...

Popularity: 20   •   Tools:  Recategorize

Ultraviolet rays are light waves that we cannot see with our eyes (with intact corneas), very similar to infrared or radio,...

Popularity: 20   •   Tools:  Recategorize

Popularity: 20   •   Tools:  Recategorize

Hot air balloons get their buoyancy from hot air created by a propane burner at the base of the balloon. Hot air is less dense...

Popularity: 20   •   Tools:  Recategorize

government secret

Popularity: 20   •   Tools:  Recategorize

There were many. He is famous for the saying, "If I had a lever big enough I could move the world." Actually, a more accurate...

Popularity: 20   •   Tools:  Recategorize

The astronauts spacesuits are a type of life support system to keep them alive when outside of the spacecraft. Then it supplies...

Popularity: 20   •   Tools:  Recategorize

Quarks

Popularity: 20   •   Tools:  Recategorize

To weigh things using a balance. Lboratory weights are used for two-pan balances. (the zodiac sign Libra is shown holking one...

Popularity: 20   •   Tools:  Recategorize

A light year is the distance that light will travel in one year. A parsec is short for parallax second, which is also a measure...

Popularity: 20   •   Tools:  Recategorize

I suppose a concept is basically a rule, law or idea that is used to represent and explain something that happens. For example...

Popularity: 20   •   Tools:  Recategorize

melt

Popularity: 20   •   Tools:  Recategorize

F = ma. The math could not be more straightforward. You have F and you have a, so just solve for m.

Popularity: 20   •   Tools:  Recategorize

its good for lamination

Popularity: 20   •   Tools:  Recategorize

How a dynamo works.

Popularity: 20   •   Tools:  Recategorize

please The forces on the man are gravity (his rest weight of 400 N) pulling down and the force of the scale , say P, pushing up...

Popularity: 20   •   Tools:  Recategorize

No. They are different. A square mile is two dimensional and a cubic mile is three dimensional. A square mile is length times...

Popularity: 20   •   Tools:  Recategorize

Each colour has different wavelengths.... For example: In VIBGYOR It is in the order of increasing wavelength i.e Compared...

Popularity: 20   •   Tools:  Recategorize

Sorry to say this, but.... I'VE GOTTA DO MY HOMEWORK AND I NEED TO KNOW WHY SOME METALS ARE NON-MAGNETIC!!!!!!!!!!!

Popularity: 20   •   Tools:  Recategorize

In a parallel circuit, more power is provided to the lights. Power = V2/R . The resultant resistance of the circuit is lower, and...

Popularity: 20   •   Tools:  Recategorize

Nuclear fusion is the combining (fusion) of two or more nuclear units to form a heavier nuclear unit. Fusion is the mechanism...

Popularity: 20   •   Tools:  Recategorize

Volume coefficient of expansion of air varies with temperature... At STP( ie 1 bar,0 °C) it is about 3.7e-3/°C (.0037/°C) At...

Popularity: 20   •   Tools:  Recategorize

Jet streams are fast flowing, relatively narrow air currents found in the atmosphere at around 11 kilometres above the surface of...

Popularity: 20   •   Tools:  Recategorize

It is the constant of proportionality relating the energy of a photon to the frequency of that photon. Its value is...

Popularity: 20   •   Tools:  Recategorize

The proper way to do this is to measure the voltage from end-to-end while a known current flows through it. Measuring the...

Popularity: 20   •   Tools:  Recategorize

light because according to the bible God said "i am the light" and god is the first person on earth............

Popularity: 20   •   Tools:  Recategorize

The formula was formed by Albert Einstein. The E stands for energy as the most of the people guess, "m" stands for mass and "c"...

Popularity: 20   •   Tools:  Recategorize

current is a flow of electrons when 6 240 000 000 000 000 000 electrons flow in one second a current of one ampere 'A' is said...

Popularity: 20   •   Tools:  Recategorize

AnswerMr. John DaltonB..1766D..18441803 john put it together.teacher and scientist about 4 yrs later Daltonwrote a book called" A...

Popularity: 20   •   Tools:  Recategorize

Scientists and engineers have puzzled over this phenomenon for many years, but only recently did a group of scientists (Stephen...

Popularity: 20   •   Tools:  Recategorize

is it not just all the wee bubbles that rise to the surface cos of all the trapped air and stuff

Popularity: 20   •   Tools:  Recategorize

Millions of classroom experiments would indicate that there is, in fact, a difference, but it is most likely caused by dirt, oil,...

Popularity: 20   •   Tools:  Recategorize

if you want to call it that,lolwell, I'm not going to pretend to be a hero, but the only thing that came to mind was an example....

Popularity: 20   •   Tools:  Recategorize

There are basically two configurations of lidars-monostatic and bistatic monostatic is one in which the transmitter(LASER) and...

Popularity: 20   •   Tools:  Recategorize

The most known is a balance and a scale balance.

Popularity: 20   •   Tools:  Recategorize

Newton's rings are caused by interference of light waves. When monochromatic light is used, then newton's rings are alternately...

Popularity: 20   •   Tools:  Recategorize

Another way to ask this question is "What is the density of fuel oil?"

Popularity: 20   •   Tools:  Recategorize

An electron is the basic carrier of the negative electrostatic charge. It has an anti-matter equivalent (an anti-particle) called...

Popularity: 20   •   Tools:  Recategorize

Popularity: 20   •   Tools:  Recategorize

The International System of Units (abbreviated SI from the French "Le Système International d'Unités")

Popularity: 20   •   Tools:  Recategorize

"What is an example of inertia at rest?" inertia is reluctance to change velocity A dog

Popularity: 20   •   Tools:  Recategorize

The Manhattan Project was started to develop and build atom bombs. At the time it was believed that Germany and Japan were...

Popularity: 20   •   Tools:  Recategorize

There are 2 things that can be called a micrometer: 1/ A device for measuring short distances accurately. Typically to better...

Popularity: 20   •   Tools:  Recategorize

Instantaneous speed is the velocity of an object at a certain time. For example:- Suppose you are driving in a car with your...

Popularity: 20   •   Tools:  Recategorize

A millisecond is one thousandth of a second. Viper1

Popularity: 20   •   Tools:  Recategorize

The simplest answer to this apparent contradiction: When you look in the mirror, your right ear appears on the right-hand side of...

Popularity: 20   •   Tools:  Recategorize

Lodestone or magnetite is a magnetic type of Iron oxide ore. double click on lodestone or magnetite for an answer tips definition.

Popularity: 20   •   Tools:  Recategorize

(Most of the matter in the universe is still hydrogen.)

Popularity: 20   •   Tools:  Recategorize

Density = Mass/Volume, correct. However, with a cylinder, you have to find the volume. In order to find the volume of a cylinder...

Popularity: 20   •   Tools:  Recategorize

Because its at the blue end of the light spectrum, visual light is in the middle (what we can see) and infra red is at the other...

Popularity: 20   •   Tools:  Recategorize

protium has no nuetrons and 1 proton, dueterium has 1 nuetron and 1 proton, tritium has 2 nuetrons and 1 protons

Popularity: 20   •   Tools:  Recategorize

Quantum theory is the mathematical representation of the universe assuming that everything is divided into well defined amounts...

Popularity: 20   •   Tools:  Recategorize

Cosmic background radiation is leftover radiation from a very early stage in the development of the Universe. It is a landmark...

Popularity: 20   •   Tools:  Recategorize

The first answer is backward. Acceleration = (final velocity - initial velocity)/total time. For deceleration the formula is the...

Popularity: 20   •   Tools:  Recategorize

A question phrased in this manner demonstrates either no prior knowledge or a misunderstanding of math and physics. A very basic...

Popularity: 20   •   Tools:  Recategorize

Intensive - Properties that do not depend on the amount of the matter present.* Color* Odor* Luster - How shiny a substance is.*...

Popularity: 20   •   Tools:  Recategorize

So larger the Bulb so biger the movement of the indicator colum at changes of temperature. Hope it helps Fritz All bulb...

Popularity: 20   •   Tools:  Recategorize

yes. A fly puts weight on a plane gosh!!!! Its like asking does a normal person put weight on a bike!? But yes flys do put weight...

Popularity: 20   •   Tools:  Recategorize

1I am a layman so this answer will be basic, until some kind of expert [Physicist, Engineer, Pole Lineman] can improve it.The...

Popularity: 20   •   Tools:  Recategorize

Filtration system

Popularity: 20   •   Tools:  Recategorize

Really a good question!Heat: Heat is the thermal energy (kinetic energy) that is transferred from one body to another. It is...

Popularity: 20   •   Tools:  Recategorize

a homogeneous mixture is uniform in composition (some examples are DISSOLVED salt in water, blood, brewed tea or coffee, or wine)...

Popularity: 20   •   Tools:  Recategorize

Predation is an interaction in which one organism captures another and feeds on the captured organism.An animal that consumes...

Popularity: 20   •   Tools:  Recategorize

Different uses include:- 1) Magnifying Glass 2) Fishing 3) Explorations 4) Some Solar Panels, Etc.

Popularity: 20   •   Tools:  Recategorize

Evaporation is a phenomenon (change of phase) at the surface of a liquid and boiling involve the entire volume of the liquid.

Popularity: 20   •   Tools:  Recategorize

A chain reaction in chemistry is a series of reactions in which one product of a reacting set is a reactant in the following set....

Popularity: 20   •   Tools:  Recategorize

Liquid nitrogen freezes at -346°F (-210°C, 63 K).

Popularity: 20   •   Tools:  Recategorize

Darker pigments like black absorb more light/ energy/ heat than lighter pigments like white

Popularity: 20   •   Tools:  Recategorize

Polarity is measured on a scale of electronegativity (the electron disparity between two elements that are combined in a...

Popularity: 20   •   Tools:  Recategorize

The atomic number is simply the number of protons in an atom - so in this case it would be 12. The atom is magnesium. It's...

Popularity: 20   •   Tools:  Recategorize

The rate of change of acceleration (ie. the slope of an acceleration-time graph) is the 'jerk'. It is the third derivative of...

Popularity: 20   •   Tools:  Recategorize

Werhner von Braun, if I'm not mistaken.

Popularity: 20   •   Tools:  Recategorize

Let us assume that the 'football' is an American football, rather than the (nearly) spherical ball that is usually black and...

Popularity: 20   •   Tools:  Recategorize

A weaker spring is more elastic because due to it becoming older by the passage of time. A weaker spring is more elastic...

Popularity: 20   •   Tools:  Recategorize

-The Archimedes Screw - How to find the measurement of a circle/how to find the volume of a solid -Mathematically explained how...

Popularity: 20   •   Tools:  Recategorize

Use a spring attached to a wall or some board, push the car (something with wheels) into the spring, and let go. It's that simple

Popularity: 20   •   Tools:  Recategorize

a common manometer is a u-tube with a liquid filled about half way in each leg, one end is open to the atmosphere and the other...

Popularity: 20   •   Tools:  Recategorize

Magnesium costs about $3.70 per 100 grams.

Popularity: 20   •   Tools:  Recategorize

A mountain has far more mass than a human being. Objects with greater mass have a naturally higher level of gravity themselves,...

Popularity: 20   •   Tools:  Recategorize

Teeter Totter

Popularity: 20   •   Tools:  Recategorize

The dees in a cyclotron need to be in a vacuum to keep the accelerated particles from slamming into atoms and molecules in air....

Popularity: 20   •   Tools:  Recategorize

AnswerNO Hexane will phase separate when added to water. The hexane will form the top layer , as it is lighter than water

Popularity: 20   •   Tools:  Recategorize

A good candidate would be curium 247 (247Cm), which has a half-life of 1.56 × 107 years. That's 15,600,000 years (15.6 million...

Popularity: 20   •   Tools:  Recategorize

actually, classical physics can be formulated as an approximation of the laws of quantum theory, where the Planck constant tends...

Popularity: 20   •   Tools:  Recategorize

How We Came To Be Here Scientists call the Big Bang a theory, rather than a hypothesis, because it is the best explanation for...

Popularity: 20   •   Tools:  Recategorize

you can not see your face on the common chalkboard because it does not have the same qualities of a mirror or really calm water

Popularity: 20   •   Tools:  Recategorize

refers to the quantal absorption of photons over a range of wavelengths of light used for excitation; different molecules tend to...

Popularity: 20   •   Tools:  Recategorize

At equilibrium all chemical potential gradients are zero. Moreover, the principle of microscopic reversibility guarantees that,...

Popularity: 20   •   Tools:  Recategorize