What Is The Best Energy Source For Rescue Workers? Claim 2: Human-powered generators are the best energy source for the rescue team. Evidence 1: Solar cells transfer energy from the sun to a battery. Evidence 2: Human-powered generators can be used to transfer energy any time someone is there to turn the crank. How can
What Is The Ability To Change Matter? Energy is defined in science as the ability to move matter or change matter in some other way. Energy can also be defined as the ability to do work, which means using force to move an object over a distance. When work is done, energy is transferred from
What Is The Energy Of A Photon Of This Light? The energy of a single photon is: hν or = (h/2π)ω where h is Planck’s constant: 6.626 x 10-34 Joule-sec. One photon of visible light contains about 10-19 Joules (not much!) What is the energy of a photon of white light? The energy of a
What Is The Change In Internal Energy If 20 J Of Heat Is Given? 1 Expert Answer Internal energy (U) is the total energy of the system. All else being equal, if you add 30 J to the system, the U would change by + 30J. Then, if the system does 20 J of work
What Is The Energy In Joules? 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt. 1 kilowatt is a thousand Watts. 1 kilowatt-hour is the energy of one kilowatt
What Is The Energy Of A Blue Photon That Has A Wavelength Of 450 Nm In EV? What is the energy of a photon of blue light (λ = 450 nm) and of a photon of red light (λ = 700 nm) in units of eV = 1.6*10– 19 J? Solution: E = hc/λ. What
What Is The Change In Internal Energy If 10J Of Heat Is Given To System At Constant Pressure And 20 J Of Work Is Done By The System? What is the change in internal energy if 10 J of heat is given to system at constant pressure and 20 J of work is done by
What Is The Energy Content Per Photon? Photons are electrically neutral. Photons have no mass, but they have energy E = hf = hc/λ. Here h = 6.626*10– 34 Js is a universal constant What is the energy content per photon in joules? 8×10−21. How do you find energy per photon? To find the energy
What Is Meant By Gravitational Potential Energy? Gravitational potential energy is the energy stored in an object as the result of its vertical position or height. The energy is stored as the result of the gravitational attraction of the Earth for the object. What do you mean by gravitational potential energy Class 9? Gravity or
What Is The Best Example That Something Has Kinetic Energy? A bicycle or skateboard in motion possesses kinetic energy. Running water has kinetic energy and it is used to run water mills. Moving air has K.E and is used to derives windmills and push sailing boats, similarly, a bullet fired from a gun has kinetic