An electric motor connected to a 120 V 60.0 Hz ac outlet does mechanical work at the

Question:

An electric motor connected to a 120 V 60.0 Hz ac outlet does mechanical work at the rate of 0.100 hp (1 hp = 746 W).

(a) If the motor draws an rms current of 0.650A, what is its effective resistance, relative to power transfer?

(b) Is this the same as the resistance of the motor's coils, as measured with an ohmmeter with the motor disconnected from the outlet?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

See More Books

Question Posted: Jan 24, 2011 05:31 AM

See More Questions

A Carnot engine performs work at the rate of 440 kW while using 680 kcal of heat per second. If the temperature of the heat source is 570oC, at what temperature is the waste heat exhausted?
An air conditioner connected to a 120 V rms ac line is equivalent to a 12.0 resistance and a 1.30 inductive reactance in series. Calculate (a) The impedance of the air conditioner and (b) The average...
A particular car does work at the rate of about 7.0 kJ /s when traveling at a steady 21.8 m/s along a level road. This is the work done against friction. The car can travel 17 km on 1.0 L of gasoline...
Shown below is information from the financial reports of Knauss Supermarkets for the past few years. Instructions a. Calculate the following statistics for Knauss Supermarkets (round your answers to...
What basic tax rates apply to the ordinary income, dividend income, and interest income of an individual? What are they for a corporation?
a. Mark first asks you to forecast daily demand for the next week using the data from the past 13 weeks. You should make the forecasts for all the days of the next week now (at the end of week 5),...
5.79 2 11 11 5 9 7 11 5 11 7
Allwood, Inc., a small furniture manufacturer, purchased the following assets at the end of 2010. Compute the following amounts for 2011 using group depreciation on a straight line basis: 1....
The comparative, unclassified statement of financial position for Carla Vista Ltd. shows the following balances at December 31: Carla Vista Ltd. Statement of Financial Position December 31 Assets...
The Giamatti Construction Company primarily builds houses, and rarely is a house only partially completed as of December 31. However, this year Giamatti is also building a motel, which it started in...
An ac generator provides emf to a resistive load in a remote factory over a two-cable transmission line. At the factory a step-down transformer reduces the voltage from its (rms) transmission value V...
In Figure, a three-phase generator G produces electrical power that is transmitted by means of three wires. The electric potentials (each relative to a common reference level) are V1 = A sin w d t...
Consider the chance experiment in which the type of transmission automatic (A) or manual (M)is recorded for each of the next two cars purchased from a certain dealer. a. What is the set of all...
2. (3 points) NextGames Inc. has a new video game cassette for the upcoming holiday season. It is 3 trying to determine the target cost for the game if the selling price per unit will be set at $130,...
1. After watching the SR WEBINAR on how risk managers create better decision-making through a positive culture what do you think the three (or more) important points made during the webinar 2....
| Variance analysis, multiple products. The Robin's Basket operates a chain of Italian gelato stores. Although the Robin's Basket charges customers the same price for all flavors, production costs...
Question 31 of Your local coffee shop is extremely busy, so the cashier asks what you'd like to order and your name. The cashier writes this information onto a cup and passes it to the barista. After...
Find SSR = xy Rx+1 -dA, R= [0,2] x [4,4] Round your answer to four decimal places.
What are four ways that pro forma financial statements are used by managers? AppendixLO1
How do individual companies respond to economic forces throughout the globe? One way to explore this is to see how well rates of return for stock of individual companies can be explained by stock...
True or false: Synchronous data transfer requires less circuitry than asynchronous transfer.
Spymaster Paul, flying a constant 215 km/h horizontally in a low-flying helicopter, wants to drop secret documents into his contacts open car which is traveling 155km/h on a level highway 78.0 below....
The speed of a boat in still water is v. The boat is to make a round trip in a river whose current travels at speed u. Derive a formula for the time needed to make a round trip of total distance D if...
A projectile is launched from ground level to the top of a cliff which is 195m away and 155m high (see Fig. 3-47). If the projectile lands on top of the cliff 7.6s after it is fired, find the initial...
A company is evaluating a new 4-year project. The equipment necessary for the project will cost $3,300,000 and can be sold for $650,000 at the end of the project. The asset is in the 5-year MACRS...
You have just been hired as a new management trainee by Earrings Unlimited, a distributor of earrings to various retail outlets located in shopping malls across the country. In the past, the company...
I need to see where the calculations for this problem come from plz. 5. Award: 4.00 points Lucido Products markets two computer games: Claimjumper and Makeover. A contribution format income statement...

An electric motor connected to a 120 V 60.0 Hz ac outlet does mechanical work at the

Question:

Step by Step Answer:

a The effective resistance Reff satisfies Reff Puechanical or 1125 Reff ...View the full answer

Fundamentals of Physics

Students also viewed these Oscillations Mechanical Waves questions