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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Assuming on the Earth where g = 9.8 m/sec2 and we neglect air drag, and the object started at rest (zero initial velocity) then:d...
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Starting at 85 decibels, ear plugsshould be worn because hearing damage begins. At 140 decibels, no matter what the frequency or...
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the amount of water does not affect the overall buoyancy of objects, at least, that is to say, once the object is being fully...
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Concave mirrors
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Imagine a cork floating on some water and a wave goes by. The cork goes up and down. The number of times it goes up and down in...
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By shifting the sine wave by 45 degrees.
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When water comes in contact WITH YOUR Body, it absorbs heat from your skin and evaporates. Since heat is absorbed from your skin,...
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At 25 degrees C, ammonia (NH3) and water have the highest specific heat capacities. Ammonia has a specific heat of 4.700 J/g*K...
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Momentum
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period contain elements with electrons in s p d and f orbitals
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The fundamental paticles are Quarks , they are of 6 types.
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ISO can affects the sensitivity of a camera- a higher iso means greater sensitivity, but also greater noise- a USUALLy unwanted...
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Yes, until he reaches terminal velocity.
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The safety bars, handels and restrains...
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sound waves, water waves, shockwaves need mediums. Electromagnetic waves do not need a medium
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They are all basically the same thing, electromagnetic radiation, but with different frequencies. All these waves are em waves...
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No, kinetic energy is the energy of motion.
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Two ways to find the mass of an object: 1). Compare it with an object whose mass is known, for example on a balance scale,...
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energy/mass example: calories/gram
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Black
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'S' is a common designator which refers to a transverse body wave.
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what is that???
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volume increases ,pressure increases
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hi there! not sure what you mean by "useful friction" but I'm guessing that you're asking "what examples are there where friction...
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A cable power or otherwise has no final or beginning resistance unless power is applied. therefore no unswer to the question
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The electrons in atoms is the source of nearly all magnetic effects in matter.
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the pendulums gravitational energy refers to the gravitational energy of the bob (the string is considered to be mass less) the...
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Average velocity is the average of the velocty of entire motion where as instantaneous velocity is the velocity at an instant, it...
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The wavelength of a radio wave depends on its frequency. Each different frequency has a different wavelength. We use radio...
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In the "visible" light it is violet.
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Some ice cubes have holes in the middle to increase the amount of surface area the ice offers to any liquid it is in. This...
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The photons are affected because the gravitational field affects space-time. Therefore, the photons are responding to the shape...
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Radium is an element itself. It was isolated by Marie Curie from Pitchblende, an ore of Uranium.
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The wavelength of the electron beam is considerable smaller than the wavelegth of the visible light.
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distance and time, determines speed.
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In kinematics the product of Force and Time is called the Impulse. It has the same dimensions as Momentum. Thus Force has...
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A vector.
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It means the element is unstable and gives off dangerous particles.
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the gaseous state
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The X-rays have shorter wavelengths ... shorter than the shortest wave to which the eye responds.
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The hydrogen in the Sun is fuel for the nuclear fusion reaction.
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Energy and mass cannot be equaled, but they are related from Einstein's equation, E = m * c2, where E = total energy of the...
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Odometer in cars, a meter wheel for feilds, meter stick for classrooms. Rulers, mm feeler gauges, laser measuring tools,...
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the same manner that sound travels in a fluid (gas or liquid) -- longitudinal waves. Please see the related link.
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Do you mean the latest tools, latest methods, latest theories, or latest discoveries in science? In what field in science...
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The period of the pendulum increases, i.e. the pendulum swings fewer times in an hour. Answer The time period of a pendulum...
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Assuming the pendulum referred to s asimple pendulum of an arm and a weight the major factors on the period are the local...
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if the rings are filled up the atom is stable. the first ring holds four the second ring holds 8 i believe.
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stellar waves
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Lasers were made in the first place to be used as a source of entertainment.
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4.20x103
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a wave's period and frequency have a reciprocal relation:t=1/f and f=1/tperiod (apex)
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This is because the actual mechanical advantage is the actual calculation found after dividing the effort force by the output...
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an example of and transverse wave
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u guys should know how to define a question if someone is to ask u a question answer it or do not call Ur website answers.com...
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Amplitude. (In the particle theory of light, brightness is determined by the number of photons).
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The same as it does in atmosphere. Do you mean in zero-gravity perhaps?
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yes but of differential sign
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Ans:opening the fridge(pull)(stretching)
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Because that piece of charcoal is lighter that the water, so it floats.
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Frequency, as regards voltage, is a term applied to changes in the voltage per unit of time. As the voltage of the DC (direct...
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AnswerNo, there was no matter at the time of the Big Bang. There was only energy.It is thought that only energy in the form of...
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Quite simply, heat occurs because the molecules in an object or substance move very quickly. All matter, or substances, contain...
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Most iron is used to make steel, and steel is the most widely used metal alloy we have. Put something like 1% carbon in iron, and...
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Metal boats and ships float because they are designed to displace water in a particular way, utilizing the surface area of the...
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The earth's gravitational pull makes objects sink in a liquid, but buoyancy acts in the opposite direction to oppose the gravity....
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A medium, also known as a psychic medium, is mainly needed for the calming down of active, intelligent hauntings. A medium is...
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At room temperature plutonium is a solid metal.
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p-type or n-type semiconductor alone is of very limited use in chips -- you can only make a thin-film resistor or parallel-plate...
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because farmers will then probably produce potatoes because it will cost more to buy
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The three things that determine gravitational potential energy are the strength of the gravitational field, the mass of the...
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Chemists, physicists, radiologists
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They're the same. EM stands for electromagnetic.
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Magnifying mirrors, make-up mirrors, telescopes
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It is the point , on the central axis, where light, that is parallel to the central axis, passes thru after it is reflected from...
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It is progressive transverse electrogmagnetic wave that travels at 3 x 108 m/s in vacuum. It is actually a combination of...
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Strain is dimensionless quantity because strain is the ratio of the same quantities like change in length/original length,,change...
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Radium (Ra) Z = 88
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E = hv E = energy (Joules) h = Planck's constant = 6.626068 x 10-34 (Js) v = frequency (Hz) Hence, h ∞ v
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if you use a wieghted bat before u hit then u are actually doing more harm than good. because the weighted bat has to use the red...
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Frequency is to waves as amplitude is to sound.
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Because friction is when an object resists to another object moving on it, slowing it down. Usually the energy of the moving...
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Action-Reaction forces act on all matter.
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Because gravity pulls the masses down at the same rate.
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Radium is nearly pure white. When it is exposed to air, though, it immediately oxidizes, turning black. The heaviest of the...
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Nothing if the current capacity of the circuit is not exceeded. The extra bulb will draw more current and if the limit is not...
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Distance:The closer together the stronger gravity.The further apart the weaker gravity.Size:The greater the mass, the stronger...
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