I-Calculator ye-Kinetic Energy
I-KE = ½mv² yoxinzelelo, ubunzima okanye ukhawuleziso, nge momentum kunye nokugoba.
Iinketho ze projekti
Malunga nale Calculator
Kinetic energy is the energy an object has because it is moving, KE = ½ × m × v², measured in joules. Mass enters linearly but speed is squared, which is the single most important fact about it: doubling the mass doubles the energy, but doubling the speed quadruples it. Choose which quantity to solve for — energy, mass or velocity — and the calculator also returns the linear momentum p = m × v and plots how the energy climbs with speed.
As a worked example, a 2 kg object moving at 3 m/s carries KE = ½ × 2 × 3² = 9 joules and momentum p = 2 × 3 = 6 kg·m/s. Speed it up to 6 m/s and the kinetic energy jumps to ½ × 2 × 36 = 36 J — four times as much for twice the speed — while the momentum only doubles to 12 kg·m/s. Solving in reverse, 9 J in a 2 kg mass implies a speed of √(2 × 9 / 2) = 3 m/s.
The squared-speed relationship explains a lot of the real world: why stopping distances grow so sharply with speed, why a small increase in a car’s velocity greatly raises crash severity, and why wind and water carry so much power at high flow rates. Kinetic energy is central to collisions, ballistics, vehicle safety, roller-coaster design and the energy budgets of everything from pile drivers to turbines.
Imibuzo ebuza rhoqo
Yintoni ifomula yoxinzelelo lwe-kinetic?
Uxinzelelo olujikelezayo luyi-KE = ½ × m × v2, apho i-m iyi-mass kwi-kilograms kwaye i-v iyi-speed kwi-metres ngesekondi. I-2 kg yento kwi-3 m/s ine-½ × 2 × 9 = 9 joules.
Kutheni isixa esiphezulu sibalulekile kunesisindo?
Uxinzelelo olujikelezayo luyi-scale nge-square yesantya kodwa kuphela ngokuthe ngqo ngesisindo, ngoko ukuphindaphindwa kwesantya kuphindaphindwa uxinzelelo ngesine ngelixa ukuphindaphindwa kwesisindo kuphindaphindwa kuphela.
Yintoni utshintsho phakathi kwengxolo yemoto kunye ne momentum?
Uxinzelelo lwe momentum yi p = m × v kwaye luyi-scale ngokuthe ngqo ngesantya, ngelixa amandla okuhamba yi ½ m v² kwaye luyi-scale ngesantya esikwe-square. I-2 kg yesisindo kwi-3 m/s ine-6 kg·m/s yesantya kodwa 9 J yoxinzelelo; kwi-double i-speed momentum iphindaphindwa kodwa uxinzelelo luphindaphindwa kathathu.
Ndiyifumana njani isantya semoto ukusuka kwinto eyaziwayo ye-kinetic energy?
Yenza kwakhona ucwangciso lwe v = √(2· KE / m). Misela "ugqibezela" kwisantya, ngenisa amandla kunye nomthamo, kwaye i kalkuleta iyenza — umzekelo 9 J kwi 2 kg umthamo unika √(18 / 2) = 3 m/ s.
Kutheni umgama wokuyeka ukhula ngokukhawuleza kakhulu ngesantya?
Iibreki zisusa amandla okuhamba ngesantya esizinzileyo, kwaye loo mandla anyuka ngesiqingatha sesantya. Ukuphindaphindwa kwesantya sakho kunyusa amandla okususa, ngoko umgama wokucima ujikeleza unyuka ngesantya esizinzileyo.
Yintoni iyunithi endingayisebenzisa?
Use SI units — mass in kilograms and speed in metres per second — to get energy in joules. If you have km/h, divide by 3.6 to convert to m/s before entering it.
API — sebenzisa le calculator ukusuka kwikhowudi
Nceda le khadi lemali njengendawo esemva ye-JSON ekhululekileyo - akukho qhosha lifunekayo. Thumela amaxabiso endawo ezantsi njengeparameter yombuzo okanye i-JSON. Nantoni na oyenzayo isebenzisa okungagqibekanga okufanayo eli phepha ligqityiwe ngaphambili; iparameter engaziwayo yi 400, ayikho i zero ekhululekileyo. Funda i-API epheleleyo →
Incopho yesiphelo
GET https://calculator.free/api/v1/kinetic-energy/curl
curl "https://calculator.free/api/v1/kinetic-energy/?solve=energy&mass=2&velocity=3"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/kinetic-energy/?" + new URLSearchParams({
"solve": "energy",
"mass": "2",
"velocity": "3"
}));
const data = await r.json();
console.log(data.results);Results are estimates for general guidance only, not financial, medical or tax advice.