seconds) and dividing this number by 63675002 (the current radius of the earth) which equals 86400.8 an increase in the length of the day by 0.8 seconds. References Bergshoeff‚ E.A. & Meijerink‚ R. (2014). Melting Icecaps. Center for Theoretical Physics. University of Groningen. Retrieved from http://www.rug400.nl/rug400_2/rug_definitief.dev/sites/default/files/Melting%20Icecaps.pdf 1. A can of diet soda floats in water‚ whereas a can of regular soda sinks. Explain this phenomenon in terms of density
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Conduction Conduction Conduction is the transfer of thermal energy between regions of matter due to a temperature gradient. In the engineering sciences‚ heat transfer includes the processes of thermal radiation‚ convection‚ and sometimes mass transfer and often more than one of these processes occurs in a given situation.Shaun Prado 8F Shaun Prado 8F Steady-state conduction Steady state conduction is the form of conduction. This happens
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Impulsive Force Model Worksheet 2: Quantitative Conservation of Momentum Name: ______________________________________ 1. Kim holds a 2.0 kg air rifle loosely and fires a bullet of mass 1.0 g. The muzzle velocity of the bullet is 150 m/s. Find the recoil speed of the gun. Momentum conservation equation: Recoil speed =________________ 2. If the girl in the previous question holds the gun tightly against her body‚ the recoil speed is less. Calculate the new recoil speed for the 48 kg girl
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wavelength and an index of refraction greater than one for frequencies below the natural frequency of the oscillators (otherwise the phase shift corresponds to a speed greater than c in the material‚ with index of refraction less than one). At a fundamental level this phase velocity‚ greater or less than c‚ is of no particular physical significance‚ because it only applies to the overly-simplified case of singlefrequency sinusoidal radiation permeating all space‚ and such radiation cannot carry a
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Hot air balloons might seem magical to some people because of its ability to float in the sky‚ but the process that allows them to take flight is actually very uncomplicated. The balloons are prime examples of the implementation of gas laws. The physics are based on the simple principle that warm air rises in cooler air. Hot air has less mass per unit of volume. The relevant gas law in use is Charless Law‚ which is V1/T1=V2/T2. The law states that raising the temperature (T1) will also increase
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ello Doc Al and others. I am progressing along with my on-line basic physics course. I completed a new module and have some assessment questions to answer. Please review and let me know the ones that are correct. Those that are wrong just a little clue as to where my thinking process went a stray. I will add my thought process to the ones that I missed telling how I came up with the answer that I did. Thanks for taking the time to assist me on some basic questions. 1. What is the rotational speed
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conserved in this process. See Section 27–6.) 5) Running a 100-W light bulb on matter (Q52; Giancoli Chap 26) How many grams of matter would have to be totally destroyed to run a 100-W light bulb for 1 year? 6) Studying physics (Q65; Giancoli Chap 26) A farm boy studying physics believes that he can fit a 15.0-m-long pole into a 12.0-m-long barn if he runs fast enough (carrying the pole). Can he do it? Explain in detail. How does this fit with the idea that when he is running the barn looks even
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defined as a vibration of a system in which some particular points remain fixed while others between them vibrate with the maximum amplitude. Standing waves have different frequencies called harmonics. The lowest standing wave frequency is called the fundamental or first harmonic. For this‚ all parts of the string vibrate together‚ up and down and the ends of the string are fixed in place but are not free to move. We call these positions nodes. A node is a point on the string that does not move. The amplitude
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Some materials have a feature known as ferromagnetism. The prefix "ferro" refers to Iron‚ which is one such material. Ferromagnetic materials have the ability to "remember" the magnetic fields they have been subjected to. An atom consists of a number of negatively charged electrons‚ orbiting around a positively charged nucleus. These electrons also possess a quantity known as spin‚ which is roughly analogous to a spinning top. The combination of orbital and spin motions is called the angular momentum
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CBSE TEST PAPER-01 CLASS - XII PHYSICS (Unit – Electrostatics) [ANSWERS] FV force between the charges in vaccuum = FM force between two charges in medium FV ⇒ Fm = k ⇒ if k increases‚ Fm decreases. Ans 01. Since K= Ans 02. Suppose rod P be negatively charged since it attracts rod R ⇒ R is positively charged since it repels rod Q ⇒ Q is negatively charged. So force between Q and R is attractive in nature. Ans 03. Since F = q E and a = F/m Since charge on proton
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