potential energy. What is the mass of the man? Given: Formula: h = 5 m m = PE/gh PE = 2200 J Solution: m = 2200 J / (9.8 m/s2 x 5 m) m = 49 kg 2. Calculate the kinetic energy of a 500 kg car travelling at 50 m/s. Given: Formula: m = 500 kg KE = mv2/2 v = 50 m/s Solution: KE = 500 kg x (50 m/s)2 / 2 KE = 625 000 J Power 3. Riley climbs a flight of stairs in 3 minutes. If he weighs 700 N and the stairs is 20 m from the ground‚ how much power will she develop
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ECE 302 Problem Set 9 Fall 2013 The following problems have been selected from the course text. 4.78 In a large collection of wires‚ the length of a wire is X‚ an exponential random variable with mean 5π cm. Each wire is cut to make rings of diameter 1 cm. Find the probability mass function for the number of complete rings produced by each length of wire. 4.85 The exam grades in a certain class have a Gaussian pdf with mean m and standard deviation σ. Find the constants a and b so that
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GENERAL BIOCHEMISTRY Problem Set No. 1 Answered by: Andrea Rose A. Fajardo of BSFT 2-1N 1. Calculate the pH of a dilute solution that contains a molar ratio of potassium acetate to acetic acid (pKa=4.76) of: a. 2:1 pH = 4.76 + log[2]/[1] = 4.76 + 0.3010 = 5.06 b. 1:4 pH = 4.76 + log[1]/[4] = 4.76 + (-0.6021) = 4.16 c. 6:5 pH = 4.76 + log[6]/[5] = 4.76 + 0.0792
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32.00 Net income $ 48.00 a. $81.23 b. $85.50 c. $90.00 EBIT $150.00 d. $94.50 Tax Rate 40% e. $99.23 NOPAT=$90.0 2. Tibbs Inc. had the following data for the year ending 12/31/07: Net income = $300; Net operating profit after taxes (NOPAT) = $400; Total assets = $2‚500; Short-term investments = $200; Stockholders’ equity = $1‚800; Total debt = $700; and Total operating
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Week 2 Individual Paper Anthony Dulle‚ ECO/561 January 10‚ 2013 Mark Pribonic Week 2 Individual Paper As discussed in week 1; understanding market equilibrium and how to maintain market equilibrium is essential for all business leaders. Market equilibrium is the point at which the demand of the consumers is equal to the supply of the producers. The goal of all organizations is to ensure their output is at market equilibrium‚ therefore having no surplus or shortage. However‚ many factors
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Chapter 17‚ Problem B1 A. To remain comfortably within the ‘A’ range‚ the firm should avoid the lower of each scale. Fixed Charge Coverage = 3.40 – 4.30 (Scale 3.00 – 4.30) Total Debt = 55 – 65 (45 - 65) Long-Term Debt = 25 – 32 (22 – 32) B. Other factors to consider include net present value (NPV)‚ foreign tax credits‚ and the price of stock. C. Bixton must resolve the research and development‚ and foreign tax credits. The target ranges listed are suitable only for a debt shield. Lenders
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move the supply curve to the left. Answer No. 2 Full Employment: AD 2 1 100 180 AD 2 1 100 180 Economic boom : :1 AD1 2 1 80 200 AD2 140 AD1 2 1 80 200 AD2 140 Recession: P Y AD1 2 1 80 200 AD2 140 P Y AD1 2 1 80 200 AD2 140 Short Run and Long Run Aggregate Supply Curves Full Employment YP=140 P 2 1 LRAS YP=140 P 2 1 LRAS Economic boom 2 1 AS YP=140 2 1 AS YP=140 Recession: P Y 1
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Econ 214 Problem Set 4 1. What determines whether a financial asset is included in the M1 money supply? Why are interest-earning checkable deposits included in M1‚ whereas interest-earning savings accounts and Treasury bills are not? A financial assest is included in the M1 money supply when it can be quickly converted into the physical form of money‚ such as dollars and coins. Interested-earning checkable deposits are included because it can be quickly accessible without limitations
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Problem Set II Problem P9 17: Jack Hammer FV (Table 1) at 11% discount rate 2.00 x .901 = $1.80 2.20 x .802 = $1.79 2.40 x .731 = $1.75 33.00 x .731 = $24.12 -------- $29.46 Problem P9 - 22: Alternative Present Values: Your rich godfather has offered you a choice of one of the three following alternatives: $10‚000 now; $2‚000 a year for eight years; or $24‚000 at the end of eight years. Solution: (first alternative)
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GRADE 9/9 Lind Chapter 9; Exercise 12 The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. a. What is the value of the population mean? What is the best estimate of this value? The value of population mean is unknown. The best estimate of this value is the sample mean of 60 pounds. b. Explain why we need to use the t distribution. What assumption
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