The potential energy is the work required to move a positive charge in the presence of an electric field. This potential energy per unit test charge is defined as the voltage. The voltage is also known as the potential difference between the two points. The potential energy is one form of ...
What is the kinetic energy, in joules, of this baseball when it is thrown by a major league pitcher at 95.0 mi/h?Kinetic EnergyThe mechanical energy of an object is the energy that it possesses due to its motion (speed). An obj...
the electrons in each atom are in constant motion, so the atom has a small vibration. Nonetheless, its position remains fixed, which is why solid particles have low kinetic energy.
A joule is the SI unit of energy, representing the amount of work done when a force of one newton is applied over a meter, while an erg is a much smaller unit, used in the CGS system, equal to 10^-7 joules.
The energy in kilojoulesE(kJ)is equal to 4.1855 times the energy in 15°C kilocaloriesE(kcal15): E(kJ)= 4.1855× E(kcal15) 20°C kilocalories to joules 1 cal20= 4.182 kJ The energy in kilojoulesE(kJ)is equal to 4.182 times the energy in 20°C kilocaloriesE(kcal20): ...
Joule can be used to measure electrical, mechanical, thermal, or other types of energy. The chemical reaction released 1000 joules of thermal energy. 4 Watt Watt can describe how fast energy is consumed or generated. The generator produces 500 watts of power every hour. 7 Joule Joule, in te...
The compact disk is organized according to energy sources and cross-referenced to issues that must be considered when making decisions about energy. This booklet, designed around questions common to high school students, illustrates how the compact disk can enable students to find answers to their ...
Where E is the energy in Joules, L is the inductance in Henries and I is the current in amps. If you have an inductor of 20uH with a 5A current flowing through it, then the energy stored will be 0.00025J. In this aspect inductors too, like capacitors, hold very little energy. ...
Energy is best defined as “the capacity for doing work”. Electricity is but one of many forms of energy. Other familiar forms of or descriptions of energy
It is also equal to one watt of power emitted or dissipated for one second, or watt second (Ws). In various applications, British thermal units (BTU) are used to express the unit for energy. One BTU is equal to approximately 1,055 joules. One joule is equal to: 1× 107 erg (...