Find the current in the motor

Assignment Help Physics
Reference no: EM13564695

A 120-V motor has mechanical power output of 3.00 hp. It is 80.0% efficient inconverting power that it takes in by electrical transmission intomechanical power.

a) Find the current in the motor.
b) Find the energy delivered to the motor by electrical transmission in 3.20 h ofoperation.
c) If the electric company charges $0.160/kWh, what does it costto run the motor for 3.20 h?

Reference no: EM13564695

Questions Cloud

Explain how life itself originated : Darwin is unable to explain how life itself originated - Darwin declares that the idea of God loving righteousness and hating sin is the highest form of religion.
Find the speedof the car at the bottom of the drive way : A 2000kg car starts from rest at the top of a 5.00m longdriveway that is sloped at an angle of 20 degrees with thehorizontal. find the speedof the car at the bottom of the drive way
Does this linger in any way in our understanding of theater : They watched the play not to see what would happen but to have it confirmed again and again that it does happen that way. Does this linger in any way in our understanding of theater today? Or in film, for that matter?
Gauge pressure of the water on the second floor : Water is circulating through a closed system of pipes in a two floor apartment. On the 1st floor, the water has a gauge pressureof 3.4x105 Pa and a speed of 2.1 m/s.
Find the current in the motor : A 120-V motor has mechanical power output of 3.00 hp. It is 80.0% efficient inconverting power that it takes in by electrical transmission intomechanical power.
What does it mean to fix hydrogen : What does it mean to fix hydrogen? Why would Fritz Haber's method for doing so be considered "the most important invention of the twentieth century"?
Car headlights use concave mirrors-the radius of curvature : Car headlights use concave mirrors. There's a concave mirror in the back of the headlight socket, and the actual light bulb is placed somewhere along the principal axis. :
Pipeline will not interfere with our agriculture base : Problem-solving - Pipeline will not interfere with our agriculture base
Calculate the index of refraction of benzene : Light enters a container of benzene at an angle of 43^\circto the normal; the refracted beammakes an angle of 27^\circ with the normal. Calculate the index of refraction of benzene.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd