Physics
Physics regards the physical aspects of the natural world. It includes topics that deal with forces on different bodies within the universe and phenomena that explain how the universe works.
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Hmm.... Isn't it density and buoyancy? And then.. I don't know~ -ă…†MOUNTAINă…†-
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Water is denser Water has a density of 1000 kg/m3. The density of ethanol is 785. Twins PWN the AL Central!!!
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The primary use of a stopwatch is to time the duration of an event. example: how many minutes/seconds does it take for a runner...
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Any thing that has no direction.
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The pressure of a gas increases because the volume of the gas increases when it is heated (Boyle's Law)
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Cut to the chase and go to the link below if you are not interested in the empirical approach explained here. These are...
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Perhaps you meant speed or velocity, because the vertical acceleration is constant throughout the bomb's decent, ignoring the...
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ion That statement isn't true. An ion is an atom with an uneven amount of protons and electrons.
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Refraction when light travels from air to a transparent object it is travelling trough a different media of different densities...
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What is the liquid? A penny will not float in water, mainly because it is denser than water. When the penny is placed in water,...
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It is called an aneomometer.
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They will reach at the same time.
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Oxygen is more electronegative; meaning that it has a 'liking' for electrons since it would like to fill up it's valency....
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The nucleus and the electron shell
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The Big Bang Theory was first postulated by the Father Georges Henri Joseph Édouard Lemaître, a Catholic priest from Belgium;...
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Answerit might be electromagnetic force like in magnets having different poles. it can also be strong and weak nuclear forces.
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First of all a pair of scissors is a First Class Lever. Which means that the Fulcrum: the pivot point, is in the middle. The...
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kinetic friction is greater because it is energy that is not yet used and can be used at anytime where static friction is there...
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You can't have a smimming pool on a plane for the same reason you can't keep water for use in sprinklers. A body of water would...
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It's the "s" level!
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Work is force X distance travelled. Force is mass x acceleration. Aceeleration depends on the frame of reference from which one...
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Answerthe weight of the rain in the clouds stretch them so the become spacy
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· The multiples and sub multiples of mass are the Petagram, teragram, gigagram, megagram, kilogram, gram, milligram,...
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It is affected because the fly is traveling at the same speed as the car and the air inside of it. When you are in the same...
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I think it is the north and the south parts of the magnet.
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Ernest Vomitford Rutherfart
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Well, one centimeter equals ten millimeters. To have a common denominator, take the amount in cm, multiply it by ten, and add...
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AnswerLower pressure allows the molecules in a solid to expand the distance between themselves, and to become more active. This...
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Sound is actually mechanical energy, and we have to apply force to generate sound. We can speak or yell, or we can pluck or...
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The answer is violet.
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AnswerThe space is left so that as the metal heats and cools during normal daily and seasonal temperature changes, they can...
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AnswerEscape velocity is defined to be the minimum velocity an object must have in order to escape the gravitational field of the...
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The robots in industry can help reduce manufacturing cost, increase efficiency and productivity as well as standardising goods to...
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Guessing you mean electrical conduction. Yes, liquids can conduct electricity. Pure water is a poor conductor, water with...
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Airplanes have wings which are shaped as a stretched out D on it's back. This shape enables a force called lift to occur. When...
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There are 2.54 cm per inch, so multiply the number of threads per cm by 2.54...Make sense? If this helped you, make sure to...
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Friction is a force which always acts opposite to the force applied on the surface of a body. This opposing force is necessary...
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Yes, the freezing point and melting point of a substance are the same temperature. The link on Enthalpy of Fusion will help...
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It varies with weight and activity, but a widely accepted approximation is 100 Watts, or 340 Btu/hr, averaged throughout the day.
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physics has been a matter of interest since time immemorial...if one starts considering the evolution of physics right from the...
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Think of it as the planets being the electrons: Earth, Venus, Mars etc.... and the Sun being the nucleus. The size of the Sun and...
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Snapping or pulling on clothing before hanging it on a line minimizes wrinkles, which can dry into the clothing and make them...
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Ice floats and melts in your drink
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A screw pump is a device for pumping fluids or finely divided solids by use of a moving inclined plane (a screw). Picture a long...
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AnswerAfter the 1st half life = 0.5 * 15g or 7.5 gAfter the 2nd half life = 0.5*7.5 = 3.75gAfter the 3rd half life = 0.5*3.75 =...
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Air pressure can buckle the sides of a plastic bottle. If a bottle is capped, it isolates the air inside. At the time the cap...
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Invincible is someone/something can not be destroyed and indivisible is when something can not be divided. Jessica from Lugarno...
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Intellectual life (or life at all) did not exist during the time of the Big Bang.
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The insulators are on the left side of the periodic table, past the mettalloids. Their atoms just do not interact with...
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Iron in the form of castings or forgings can be brittle. Iron forms a metallic crystal structure when changing phase from liquid...
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This involves a heck of a lot of variables, but I'd say that a lawnmower blade could displace a rock at least 150 feet under the...
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SONAR is an acronymical term meaning SOund Navigation And Ranging.
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Because all of the other colors in the spectrum are absorbed into the fabric, and red is the only color that is reflected.
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Zero acceleration is when a particle doesn't move in an amount of time, thus the velocity is a constant.
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To be chemically stable, the atom must have the same amount of protons and electrons.An atom can become stable by either 1)...
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Answerchange in the form -in general can be indicated for the physical form. The substance may dissolve or its stage may change....
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Decreasing the temperature of a liquid makes the particles that make up the liquid slow down and become more packed together....
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The kinds of simple machine are: Lever, Inclined Plane, Wheel and Axle, Screw, Wedge, Pulley. Lever is a rigid bar that turns or...
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stationary
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It means that the amplitude of the soundwaves is increased, or is increasing if the sound continues to get louder.
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Some physicist (experimentalists) work in a laboratory and do a lot of measurements. Other physicist (theoreticians) do not need...
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Alkaline Metals. KABOOM!
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Doppler effect generally is the change in frequency of a wave( majorly sound wave) for an observer moving relative to the source...
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Since the needle in a compass is magnetized by induction it loses its magnetism easily by rough contact or heat.
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If a wave is traveling at 5 meters per second (assuming that is what the question meant) and its wavelength is 20 meters,...
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The answer to this is pretty straightforward. First, the volume a tank measuring 100 by 40 by 60 cm is 100x60x40cm = 240,000...
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Power is the rate at which work is done or energy is transmitted.The units of power are the units of energy divided by time. The...
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A Liebig condenser is about the most simple condenser going. It has a gas or vapor pathway that is enclosed by a jacket of...
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A human body as everything else, is composed ultimately by atoms
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Constant velocity is a measure of distance traveled per unit of time at a uniform speed, such as miles per hour or feet per...
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Do you mean electron shells? If so, then one.
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If you divide the distance of your trip by the total time it took to make the trip, you calculate the average speed. That...
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The answer is 1911 when Rutherford overturned Thomson's model
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Sure. But be aware that most new visions are really very old visions that didn't work. Don't fall in love with an idea.
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24 gallons of sand is equivalent to 368.88 pounds. America 24 gallons of sand is equivalent to 303.36 pounds.
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yes,get a boat without leaks. yes , you can
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(SPIN elecTRONICS) Using the spin of an electron to represent binary data (0 or 1). Spintronics techniques are capable of much...
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The sun. A flame of any type. Boiling water.
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Since density ( p or rho) is m/V as V increases density decreases.
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made from plastic it's made from plastic (poly- as in polyurethene)
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No, the bag will melt if too close or touching the hot coals. Answer I've never tried it with a plastic bag. However, I have...
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The only difference, between ultra violate light and visible light, is their frequencies, UV has higher frequency than visible...
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Water is heavier An oil molecule is heavier than a water molecule. But a gallon of water is heavier than a gallon of oil because...
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It does not necessarily turn it into rubber, but vinegar does dissolve the shell of the egg leaving the membranes intact, which...
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The shadows are shorter at noon because the sun is higher thus not casting a longer shadow put an object in the sun at noon then...
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A person skates 2 miles every day. They leave their house at 1 p.m. and return at 2 p.m. What is their total diplacement? What is...
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Because argon is much less reactive than air, especially than the oxygen in the air. Many reactive chemicals would react...
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This is the speed for sound in iron grey cast iron may be higher than this
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