# Physics

• ## Thermodynamics mole01-28

Hi folks: I come at a task not: Could you please help me? the gas amount of nitrogen, at 20 ° and atmospheric pressure, a volume of 5 m³ occupies, is in a 100Literflasche gefüllt.welche fuel quantity is in the bottle? how great the pressure of bottle

• ## Shielding from electromagnetic pollution?01-27

Hello people, I am from umbrellas against electromagnetic pollution and could you also give me the physical explanation? --answer-- Faraday cage: wrap yourself with a metal (film or diccht Brushed wire) and earth this, then the induced magnetic Elekt

• ## Ask the inclined throw!12-06

why is the angle when inclined throw a maximum of 45 degrees --answer-- This is not quite true! The "crooked" Throw delivers results in principle at all angles. If we assume the horizontal 0 degrees results in the following results. > 0 to &l

Hi, how do I read an analog ammeter? There's a wheel with different scales (mA, V) when I turn the wheel for example, on 10 and above in the display 5.8, there are even 5.8 if I had it turned on 100, it would indeed be 580 (or?), but how do I explain

Tags: Physics, current
• ## Centrifugal force!?!05-09

Hey, how many types of centrifugal force there eig.? What are they doing and what are their names?

Tags: Physics
• ## Physics: brakes on a slope04-11

Hello, I have a question in physics. I'm uphill in search of formulas for braking movement of a vehicle in an inclined plane, or down and find this unfortunately little. Downhill, the vehicle's only come to a standstill when it decelerates, but also

• ## What happens to the electricity when a cable of the circuit is heated?02-11

"" "This question I have to answer in physics, but have no idea what's happening Maybe someone can help me.? / Thank you! --answer-- Copper is like most metals a so-called cold conductors. when cold it passes better than state in the warm.

Tags: Physics, electricity
• ## What is an 'internal mechanical condition'?02-09

What is an internal mechanical state in mechanics? What can you mean by, or can someone briefly explain an example of me? Have on google unfortunately found nothing. Thank you in advance. lg --answer-- Perhaps much internal energy or temperature whic

• ## Flying with Inenantrieb possible?01-05

Hello, For Interstellar travel is indeed ion drives are ideal for space launches this are to Wikipedia too weak. Would they but sufficient for my sake a small plane to bring stand on for? Greetings =) --answer-- No, even a light aircraft needs relati

Tags: Physics, aircraft, ion drive
• ## Physics Doppler Effect11-15

Hello, I have to figure out a math example the speed of the moving body approaches a stationary sound source. If this formula because correct? v = ((Fs x (1 + c)) / Fb where Fs is the stationary sound source and Fb of the moving observer. Thank you,

Tags: Physics, Mathematics
• ## how to convince heat thermal insulation in the house11-01

Hey I write on Friday a working. it comes to heat insulation in the house and we have the theme since 2tagen .... unswar: explain how and where heat protection on building up and energy production are possible? (It is a normal house with a roof) peop

• ## extreme insomnia and prüfungsanst ?!10-08

Hello people ... I currently insomnia massive. I wake up at night as against 1 watch and guard then on almost every hour, until I have to get up at 5.35. I am then always restless when I wake nacjts. Especially extreme that is so at work, especially

Tags: Physics, sleep disorder
• ## build buoyancy work itself02-27

Hello ertsmal (I'm not born in 1962 but in 1999;)) My class and I have this year degree and want to dominate the appraisal issue the buoyant power plant. Now we want to but build yourself and do not know how to do it ..... Can anyone help us? LG Jona

Tags: Physics
• ## unevenly accelerated motion12-17

As I calculate a route that has been unevenly accelerated? there for a formula? --answer-- Provided that it is (in the simplest case) is a straight, non-uniformly accelerated motion, it should be noted that the acceleration (a) is not constant. The d

Tags: Physics, speed
• ## Date will be surprised interplay of cold and hot09-25

Hey dear ones, I need your help urgently times. I encountered tomorrow with NEM types, he is 22 years and we've known since about 2 years, but have only been 2-3 weeks properly close contact. Anyway, I'm 17 :) about our meeting, I do not know much, h

• ## Physics - Stokes law task09-20

I come with a task in physics can not handle really. We also do not have to find out the final solution, but we only grope .. After Stokes friction law applies to the frictional force in a viscous medium (eg, air): FR = 6 pi eta r v (this eta is the

Tags: Physics, friction, bill, charge, Millikan
• ## Physics hausi with thermometer?!.09-17

Hey guys :) We got in physics, an object where to find the Celsius of a thermometer out without paying the mess. We also had a right solution but we now need to find other ways how to find out ... we did so we were looking for the freezing point and

Tags: Physics, thermometer
• ## Was the cavalry earlier really so Overpowered?03-16

Hello, I just look for the umpteenth time Lord of the Rings on television. Which reminds me again and again that the cavalry is represented as evil strong. I mean yes, the horse is the strongest weapon but the rider against the phalanx of Uruk? Becau

• ## How can I here by superposition set the idle voltage on resistance r2 (upper center) Calculate? Voltage divider, but how? yes Are 3 stitches. Thank you :)?03-16

--answer-- ① If you U₂ and U₃ shorts is to U₁ the series circuit of R₁ and R₂ІІR₄ and R₃IIR₅ wherein eg R₃IIR₅ the parallel circuit of R₃ and R₅ represents the resistance R₃ ∙ R₅ / (R₃ + R₅). Total resistance is therefore R = R₁ + + R₂ІІR₄ R₃IIR₅ and

• ## How I find the extremes? I have firstly the sum of two Gaussian functions (or flocks), different sign. Does anyone know more?03-15

--answer-- Secondly, I need the extremes of the same fall, only the whole time 3, variance of the couple is the same; Amplitudes of 3 pairs are different. I just need tips if anyone knows on. I hang here at 2b ^ 2 * ln ((x-x0; 1) / (x-x0, 2)) = x0; 1