Calculate the current in the motor

Assignment Help Physics
Reference no: EM13533874

A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power.

(a) Find the current in the motor.

A

(b) Find the energy delivered to the motor by electrical transmission in 3.40 h of operation.

MJ

(c) If the electric company charges $0.110/kWh, what does it cost to run the motor for 3.40 h?

Reference no: EM13533874

Questions Cloud

Explain octane is allowed to react with oxygen : 2C8H18+25O2image from custom entry tool16CO2+18H2O, 0.120 mol of octane is allowed to react with 0.890 mol of oxygen. Which is the limiting reactant
Calculate the resistance of the heater when it is turned on : In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. calculate the resistance of the heater when it is turned on
What is the role of the Fe-S cluster in PhotosystemII : What is the role of the Fe-S cluster in PhotosystemII?
Explain a beaker with 165 ml of an acetic acid buffer : A beaker with 165 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.80 mL of a 0.360 M HCl solution to the beaker. How much will the pH..
Calculate the current in the motor : A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
Explain t-butoxide or sodium hydroxide dissolved : Show the chemical equation of chloroform and a base such as potassium t-butoxide or sodium hydroxide dissolved in water to make a dichlorocarbene and other products.
Heterozygous for a recessiveblue eyed gene : What is the probability that a family of five children will consistof a blue, a brown, a blue, a blue and a brown -eyed child in thisorder. Assume the parents are those in problem 1.
State the equation with products for reaction : some species below react with fe2+ and some do not. for each that does write the equation with products for those that don't write no reaction -na (s) -na+ (aq) -co (s) -co2+ (aq) -h+ (aq)
Calculate what is the speed at which the satellite travels : A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which the satellite travels

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