Reference no: EM131059339
1. A battery supplies 8 amps of current to a circuit at 24 volts. What is the resistance in the circuit?
2. A television uses 120 volts and 2.2 amps. How much power (in watts) does the television use?
3. You see a lightning flash strike the ground and 3.2 seconds later you hear a loud blast of thunder. How far away (in feet) did the lightning hit?
The speed of sound in air is approximately 1100 ft/s.
4. If the speed of a wave is 300 m/s and its frequency is 12 Hz, calculate the wavelength (in meters).
5. Calculate the energy (in joules) needed for 51 watts of power to be used for 60 seconds.
6. Calculate the charge (in Coulombs) needed for 2 amps to flow for 56 seconds
7. 6 identical resistors are connected in series with a 12-volt battery. Calculate the voltage across one resistor.
8. An electric toaster operating on 120 volts draws a current of 2.9 amps. The resistance of the toaster is:
9. What is the wavelength of an FM station broadcasting at 106 megahertz? The speed of light is 300,000,000 m/s.
10. Calculate the resistance (in ohms) of a 141 watt lightbulb connected to a 120-volt electrical outlet.
11. Calculate the linear mass density (in kg/m) of a 307 gram wire that is 100 cm long.
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Stock portfolio invested-what is the portfolio beta
: You own a stock portfolio invested 35 percent in Stock Q, 30 percent in Stock R, 20 percent in Stock S, and 15 percent in Stock T. The betas for these four stocks are .92, 1.25, 1.09, and 1.27, respectively. What is the portfolio beta?
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Calculate the voltage required to produce
: 1. A small electric device has a resistance of 15 ohms when the current in it is 0.5 amperes. Calculate the voltage required to produce this current. 2. Calculate the velocity of a car (in m/s) that starts from rest and accelerates at 1 m/s2 for 6 ..
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What is the company pre-tax cost of debt
: The Bet-r-Bilt Company has a 5-year bond outstanding with a 4.20 percent coupon. Interest payments are paid semi-annually. The face amount of the bond is $1,000. This bond is currently selling for 91 percent of its face value. What is the company's p..
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Current stock price using the constant growth model
: You are evaluating a stock that just paid a dividend of D0 = $1.50. The required rate of return is rs = 10.1%, and the constant growth rate is g = 6.0%. Determine the current stock price using the constant growth model.
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What is the resistance in the circuit
: 1. A battery supplies 8 amps of current to a circuit at 24 volts. What is the resistance in the circuit? 2. A television uses 120 volts and 2.2 amps. How much power (in watts) does the television use?
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What is the value of its operations
: Assume that Lincoln Electric's projected free cash flow for next year is FCF1 = $500,000, and FCF is expected to grow at a constant rate of 3.5%. If the company's weighted average cost of capital is 11.5%, what is the value of its operations?
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How standards may be used to capture organizational wisdom
: Suggest four types of knowledge that might be captured in organizational standards.
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Taxes are important consideration in the leasing decision
: Taxes are an important consideration in the leasing decision. Who is more likely to lease, a profitable corporation in a high tax bracket or a less profitable one in a low tax bracket? Explain why.
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Current issue facing logistics management in australia today
: Analyse the companys current logistics management related to a current issue facing logistics management in Australia today.
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