How much energy, in joules, is this battery capable of supplying?Express your answer in joules.ΕΠΙ ΑΣΦ?U =SubmitRequest AnswerPart CJHow high off the ground could a 75 kg person be raised using the enerfrom this battery?Express your answer with the appropriate units.☐ΜΑ?h =ValueUnitsSubmitRequest Answer When running on its 11.4 V battery, a laptop computer uses 8.3 W. Thecomputer can run on battery power for 7.5 h before the battery is depleted.Part AWhat is the current delivered by the battery to the computer?Express your answer with the appropriate units.ΑI =ValueUnitsSubmitRequest Answer?

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How much energy, in joules, is this battery capable of supplying? Express your answer in joules. U = ΕΠΙ ΑΣΦ ? J Submit Request Answer Part C How high off the ground could a 75 kg person be raised using the ener from this battery? Express your answer with the appropriate units. о με h = Value Submit Request Answer ? Units

How much energy, in joules, is this battery capable of supplying? Express your answer in joules. U = ΕΠΙ ΑΣΦ ? J Submit Request Answer Part C How high off the ground could a 75 kg person be raised using the ener from this battery? Express your answer with the appropriate units. о με h = Value Submit Request Answer ? Units

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 57PQ

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Similar questions

Lightbulb A is marked 25.0 W 120. V, and lightbulb B is marked 100. W 120. V. These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120.-V source. (a) Find the resistance of each lightbulb. (b) During what time interval does 1.00 C pass into lightbulb A? (c) Is this charge different upon its exit versus its entry into the lightbulb? Explain. (d) In what time interval does 1.00 J pass into lightbulb A? (e) By what mechanisms does this energy enter and exit the lightbulb? Explain. (f) Find the cost of running lightbulb A continuously for 30.0 days, assuming the electric company sells its product at 0.110 per kWh.
A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg • °C, assuming no heat escapes?
Lightbulb A is marked 25.0 W 120. V, and lightbulb B is marked 100. W 120. V. These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120.-V source. (a) Find the resistance of each lightbulb. (b) During what time interval does 1.00 C pass into lightbulb A? (c) Is this charge different upon its exit versus its entry into the lightbulb? Explain. (d) In what time interval does 1.00 J pass into lightbulb A? (e) By what mechanisms does this energy enter and exit the lightbulb? Explain. (f) Find the cost of running lightbulb A continuously for 30.0 days, assuming the electric company sells its product at 0.110 per kWh.
A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any wires used for connections is negligible, (a) What is the current through the resistor? (b) What is the power dissipated by the resistor? (c) What is the power input from the battery; assuming all the electrical power is dissipated by the resistor? (d) What happens to the energy dissipated by the resistor?
A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the weight if the wire was made of copper? (b) What is the weight of a 10.00-meter-long wire of the same gauge made of aluminum? (c)What is the resistance of the aluminum wire? The density of copper is 8960 kg/m3 and the density of aluminum is 2760 kg/m3.
Integrated Concepts (a) What energy is dissipated by a lightning bolt having a 20,000-A current, a voltage of 1.00102 MV, and a length of 1.00 ms? (b) What mass of tree sap could be raised from 18.0°C to its boiling point and then evaporated by this energy, assuming sap has the same thermal characteristics as water?
Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b) Find the resistance of 1.00 km of wire that would cause a 0.0100% power loss. (c) What is the diameter of a 1.00-km-long copper wire having this resistance? (d) What is unreasonable about these results? (e) Which assumptions are unreasonable, or which premises are inconsistent?
A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
When running on its 11.4 V battery, a laptop computer uses 8.3 W. The computer can run on battery power for 8.5 h before the battery is depleted. Part A. What is the current delivered by the battery to the computer?Express your answer with the appropriate units. Part B. How much energy, in joules, is this battery capable of supplying?Express your answer in joules. Part C. How high off the ground could a 75 kg person be raised using the energy from this battery?Express your answer with the appropriate units.
An electric car is designed to run on a bank of batteries with a total potential difference of 23 V and a total energy storage of 1.8×107 J. If the electric motor draws 7.0 kW, what is the current delivered to the motor? Answer in units of A. 012 (part 2 of 2) If the electric motor draws 7.0 kW as the car moves at a steady speed of 24.0 m/s, how far will the car travel before it is “out of juice"?
A battery is rated that it provides 1.0 mW of power at 9.0 V when fully charged. How do you determine how much current can it deliver?
If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To burn a 40.0-W lightbulb for 24 h. (b) To operate an electric oven for 7.0 h if it carries a current of 20.0 A at 220 V.