normal force by the scale on the person (magnitude and direction)‚ - and what the scale reads (in kilograms) in the following cases: (a) The elevator moves up with a constant speed of 2.0 m/s2 . (b) The elevator has a constant upward acceleration of 2.0 m/s2 . (c) The elevator has a constant downward acceleration of 2.0 m/s2 . (d) The cable snaps and the elevator falls freely (ignore friction and the bloody end!). SOLUTION: The weight of the person depends on Mass and g‚ therefore: W = M g = (70
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BUFFERS By: Luis P. Bazan‚ RPh.‚ Ph.D. A buffer solution is a solution of: 1. A weak acid or a weak base and 2. The salt of the weak acid or weak base Both must be present! A buffer solution has the ability to resist changes in pH upon the addition of small amounts of either acid or base. Consider an equal molar mixture of CH3COOH and CH3COONa CH3COOH (aq) H+ (aq) + CH3COO- (aq) Adding more acid creates a shift left IF enough acetate ions are present 16.3 Which of the
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us a solution for student debt‚ but instead all they do is present students with these speeches containing false promises. As this problem continues to grow Americans may question if their college education was worth it. We are taught in high school that we are guaranteed to be successful by going to college and getting a degree‚ but most teachers fail to mention that not only are you not guaranteed work‚ but you also end up tremendously in debt due to student loans. The first problem is‚
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A solution to the war on drugs Name: Institution: Date: Abstract The War on Drugs is extensively regarded as a requirement in the present society that has been laden with the burden of drug abuse‚ addiction‚ rehabilitation and increased crime rates due to drug abuse. War on Drugs has remained a deep rooted contentious campaign that has been debated over and over for several years in the search of a liable solution that can solve the problem permanently. The war on drugs affects every citizen
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Tutorial solutions 4 QUESTIONS 5. What is meant by a currency trading at a discount or at a premium in the forward market? Answer: The forward market involves contracting today for the future purchase or sale of foreign exchange. The forward price may be the same as the spot price‚ but usually it is higher (at a premium) or lower (at a discount) than the spot price. PROBLEMS 4. Restate the following one-‚ three-‚ and six-month outright forward European term bid-ask quotes in forward points. Spot
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A Simple Solution Junk foods such as potato chips‚ carbonated drinks ‚ and candy are a popular snack item choice by children and young adults alike. Containing high fat‚ sugar‚ and calories ‚ junk foods are highly addictive and can cause many health problems such as high blood pressure‚ diabetes‚ and obesity‚ but on top of all of that Americans are the top consumers of this junk food. My proposition to end this problem is to inject lethal poison in all Junk foods such as candy‚ chips ‚ and
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Solutions to Global Poverty There are different solutions to Global Poverty nowadays. Foreign aid is considered one of the most effective because it helps in pioneering new ideas for development and solves the budgeting problem that might ruin even the brightest project. There is considerable scope for improving on the current level of foreign aid‚ around $120 billion per annum. Another solution is tax recovery. Multinational corporations and wealthy elites minimize tax burdens so that poor
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EXPERIMENT 2: SOLUTION PREPARATION AND STANDARDIZATION Submitted by Iris Olaso ______________________________________________________________________________ INTRODUCTION Generally‚ there are two ways in preparing a solution‚ one is by dissolving a weighed amount of solid in a required solvent and the other is by dilution of a concentrated solution into the desired concentration. In diluting concentrated solution‚ the concentration of the diluted solution can be determined by standardization
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This shows that humans give huge amounts of ignorance concerning the overpopulation issue. Overpopulation causes negative impacts such as on the population’s health‚ education‚ unemployment and towards the world’s global environment. The first problem that overpopulation causes is health of the population. Overpopulation means more children in one family‚ and when each family has more than 2 children‚ this means greater amount of food is required. Because the number of food produced is not enough
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Lactated Ringer’s Solution Lactated Ringer’s classified as an isotonic or crystalloid solution‚ has similar osmolarity to body fluids‚ meaning that it maintains fluid volumes in balance between the space inside and outside the blood vessels. Lactated Ringer’s contains electrolytes‚ substances necessary for cells to function. It’s intended for intravenous administration‚ but if a suitable vein cannot be found it can be given orally which has an unpleasant taste. It is made up of NaCl (sodium chloride)
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