Purchase Solution

Electrical energy and potential energy

Not what you're looking for?

Ask Custom Question

A portable CD player uses a current of 7.2 mA at a potential difference of 3.5 V.
Suppose the player has a mass of 0.47 kg. How long could the player operate (in minutes) on the energy required to lift it through a height of 1 m?

Purchase this Solution
Solution Summary

This solution looks at the relation between electrical energy and potential energy of a CD player.

Solution Preview

The energy required to lift the player through a height of 1 m = m * ...

Purchase this Solution
Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Basic Physics

This quiz will test your knowledge about basic Physics.

View More Free Quizzes
Related BrainMass Solutions

  • Potential Energy and Energy Conservation

    69695 Potential Energy and Energy Conservation A hydroelectric dam holds back a lake of surface area that has vertical sides below the water level. The water level in the lake is a height above the base of the dam.

  • Potential Energy

    In the electrical case, a charge will exert a force on any other charge and potential energy arises from any collection of charges.

  • Electrical Energy Question

    476766 Electrical Energy Question A dam covers an area 2000m long and 1500m wide, with a depth of 40 metres.

  • Distance covered by electron in electric field.

    (Change in Kinetic Energy = change in Electrical Potential Energy) Please see the attached file.

  • Astrophysics: Friction, Potential Energy, and Kinetic Energy

    177386 Astrophysics: Friction, Potential Energy, and Kinetic Energy 1. A spring with k = 40.0 N/m is at the base of a frictionless 30.0° inclined plane.

  • Physics - Electricity, Magnetism and Waves

    If a proton is moved from 0 V potential to 10 V potential, its potential energy would therefore increase. That is, the work done would be stored as electrical potential energy.

  • Potential energy and waves

    53406 Potential energy and waves A pulsed laser produces brief bursts of light. One such laser emits pulses that carry 0.350J of energy but last only 225fs. a) What is the average power during one of these pulses?

  • Potential Energies

    In practice it is rather common to speak of "potential" rather than "potential difference" and "potential energy" rather than "potential energy difference".

  • Work, Kinetic Energy, and Acceleration

    It uses an explanation of electrical field drawing and electrical potential energy to solve the problems and calculate kinetic energy and speed.

View More Related Solutions