I-Calculator ye-Energy Kinetic
Kuxazululwe i-KE = ½mv² ye-energy, mass noma velocity, nge-momentum ne-curve.
Iziphetho zivuselelwa uma ubhala.
Malunga nale khadi
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 ebuzwa kaningi
Yini ifomula ye-kinetic energy?
Ugesi olushayelayo luyi-KE = ½ × m × v², lapho m isisindo esiyi-kilograma kanti v ijubane elingu-mitha ngasinye. Izinto ezingu-2 kg ezihamba nge-3 m/s ziyi-½ × 2 × 9 = 9 joules.
Kungani isivinini sibalulekile kunesisindo?
Ugesi lwe-kinetic lulinganiselwa nge-square ye-velocity kodwa ngokuqondile kuphela nge-mass, ngakho-ke ukudubula ijubane ku multiplies energy by four while doubling mass only doubles it.
Yini ushintsho phakathi kwe-kinetic energy ne-momentum?
I-momentum i-p = m × v futhi ilinganiselwa ngokuqondile ngejubane, ngenkathi amandla kagesi alingana ne-½ m v² futhi ilinganiselwa ngejubane elilinganayo. Isisindo esingu-2 kg esingu-3 m/s sinejubane elilinganayo le-6 kg·m/s kodwa inejubane elilinganayo le-9 J; uma kuhlobene ijubane i-momentum iphinda kabili kodwa amandla aphinda kabili.
Ngiyithola kanjani ijubane kusuka ku-kinetic energy eyaziwayo?
Phinda uhlela ku v = √(2·KE / m). Setha "uxazulule" ku-velocity, faka amandla nesisindo, futhi i-calculator ikwenza — isibonelo 9 J ku-2 kg mass inikeza √(18 / 2) = 3 m/s.
Kungani amabanga okuyeka ekhula ngokushesha kakhulu ngejubane?
Izibhamu zisusa amandla kagesi ngezinga eliqinile, futhi lo mandla lukhula ngesikwere sejubane. Ukudubula ujubane lwakho kuphinde ku
Yini amayunithi okufanele ngisebenzise?
Sebenzisa amayunithi we-SI - ubukhulu ngekhilogremu nokushesha ngemitha ngasinye - ukuthola amandla ngejoule. Uma une-km/h, hlukanisa ngo-3.6 ukuze uguqule ube m/s ngaphambi kokufaka.
API — sebenzisa le calculator kusuka kukhodi
Nquma le calculator njenge JSON evulekile yendawo yokuqeda - akukho isithonjana esidingekayo. Thumela amaxabiso endawo ngezansi njengezilungiselelo zombuzo noma i-JSON. Noma yini ongayishiya isebenzisa iphutha elifanayo elifakwe ngaphambili lekhasi; ipharamitha engaziwa yi-400, ayikho i-zero emnyama. Funda i-API egcwele →
Ingxenye yendawo
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);Izibalo ziyisilinganiso esisetshenziswa ukuqondisa kuphela, hhayi ukucebisa ngezimali, ukwelashwa noma ukukhokha.