particle by all forces that act on it is equal to the change in its kinetic energy‚ also known as the work-energy theorem. This can derived from: W=Fdx equation 1 W=maxdx where ax=vdvdx W=mvdvdxdx=mvdv W=v1v2mvdv =12mv22-12mv12 =K2-K1 W=ΔK equation 2 For a body moving along s ‚ displacement with a constant force F‚ work can be defined as: W= F . s equation 3 The SI unit for work is J‚ Joule which is equal to 0.7376 ft.lb in British System. For
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9001:2008 Certified Institute (Indian Standard Organization(ISO) Certificate Number:2071-QMS-1071) Email id: hsbsolutions7@gmail.com website:www.hsbsolutions.jimdo.com Ph: 9210846949 / 9717925135 Physics: Chapter 2 Solutions Last 15 years questions with solutions Topic: Strength of Solution Q.1Discuss the effect of Temperature on Solubility of solids in Solvent. AnsThe solubility of solid in a liquid solvent generally increases with increase in temperature of the solvent. Very rarely some neutral
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Activity One: 1. The two major variables that affect the rate of diffusion: a. The composition of the lipid bilayer (eg. more cholesterol‚ less permeability to polar substances) b. The structure of the molecule undergoing diffusion (eg. steric conformation‚ size‚ polarity‚ amount and strength of hydrogen bonding) 2. Urea was not able to diffuse through the 20 MWCO because the pores of the membrane were too small for the urea to pass through. The molecular weight of urea is 60.06 g/mol‚ over
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S5E1 Gaseous Diffusion 1.0 ABSTRACT In this experiment‚ our objective is to find out the gas diffusion coefficient‚ D of acetone in the air. This experiment is conducted at a temperature of 50ºC and atmospheric pressure. The method that is applied to conduct this experiment is called the Winkleman method where the level of acetone (Z) is determined every 15 minutes by using a microscope. With the level of acetone being determined‚ a graph of t/L+Lo (min /mm) vs. L-Lo (mm) is plotted and the
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Physics 110 Spring 2006 2-D Motion Problems: Projectile Motion – Their Solutions 1. A place-kicker must kick a football from a point 36 m (about 40 yards) from the goal‚ and half the crowd hopes the ball will clear the crossbar‚ which is 3.1m high. When kicked the all leaves the ground with a speed of 20 m/s at an angle of 530 to the horizontal. 1. Does the ball clear or fall short of the crossbar? 2. Does the ball approach the crossbar while still rising or while falling? (a) From our equations
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Lab # 2 Diffusion & Osmosis Introduction Kinetic energy‚ a root of energy stored in cells‚ causes molecules to hit into each other and move in new directions. Diffusion is the result of this contact. Diffusion is the random movement of molecules to an area of lower concentration from an area of higher concentration. Osmosis is a type of diffusion. This is the diffusion of water through a selectively permeable membrane from a region of higher water potential to a region of lower water
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Network+ Guide to Networks‚ 6th Edition Chapter 1 Solutions Review Questions 1. Which of the following is an advantage of using a client/server network over using a peer-to-peer network? a. A client/server network is simpler to set up. b. A client/server network allows resources to be managed centrally. c. A client/server network does not require a network operating system. d. A client/server network is less expensive to set up. 2. What is the primary function of a file server on a client/server
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he mass and length of the potato piece must be kept the same in each experiment primarily because they affect the surface area of the piece‚ and varying surface area could have a great effect on the rate of osmosis. This is because in an experiment where the potato chip has a large surface area‚ there is a larger area of partially permeable membrane and therefore more opportunity for water particles to pass through. I will keep the surface area the same by keeping the mass and length
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LabMr.P/Pd. 63/17/14 Osmosis and Diffusion Lab Osmosis is a process where molecules pass through a semi permeable membrane from a less concentrated solution into a more concentrated one‚ equalizing the concentrations on each side of the membrane. Diffusion is the spreading of something more widely.During the osmosis and diffusion lab I tested what happens to a fresh egg when osmosis and diffusion across membranes. The eggs were placed in vinegar‚ distilled water‚ and then lastly syrup. The
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I. Legends on the net: an examination of computer mediated Communication as a locus of oral culture by JAN FERNBACK ‚Temple University Thanks to the technological advance and the new dimension that development brings to people; our entire cultural heritage‚ especially the oral one has entered the world of computers. This is considered to be a great interest since it helps to preserve this very crucial part of our culture. But this oral tradition is easily exposed to danger‚ for the greatest part
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