Kinetic Energy Calculator
Solve KE = ½mv² yesimba, maseru kana kukwira, ne momentum uye kurongeka.
Zvinyorwa zvinogadziridzwa paunenge uchinyora.
Nezve iyi kalkulator
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.
Zvimwe zvinobvunzwa zvakanyanya
Chii chinonzi kinetic energy formula?
Kinetic energy i KE = ½ × m × v², uko m ndiyo masayendisiti mu kilogramu uye v ndeyekukwira mumita pasekondi. A 2 kg chinhu pa 3 m / s ine ½ × 2 × 9 = 9 joules.
Nei kukwira kwechikepe kuchikosha kupfuura kukwira kwevanhu?
Kinetic energy inowedzera nesquare of velocity asi chete linearly ne mass, saka kudhonza speed inowedzera energy ne4 asi kudhonza mass chete kunowedzera.
Chii chinonzi kinetic energy?
Momentum i p = m × v uye inowedzera nekumhanya, asi kinetic energy i ½ m v² uye inowedzera nekumhanya kwakaremara. A 2 kg mass at 3 m/s ine 6 kg·m/s ye momentum asi 9 J ye energy; pakutanga kwespeed momentum inowedzera asi energy inowedzera.
Ndinogona sei kuwana simba remhepo kubva kune imwe kinetical energy?
Rearrange kuti v = √ (2 · KE / m). Set "solve for" kuti speed, nyora simba uye marudzi, uye calculator inoita kuti — semuenzaniso 9 J mu 2 kg marudzi anopa √ (18 / 2) = 3 m / s.
Nei kumanikidza kwemhepo kuchikura zvakanyanya nekumhanya?
Brems kubvisa kinetic simba panguva yakaoma, uye kuti simba rinokwira ne square of speed. Doubleing yako speed quadruples simba kuparadza, saka kudzima-kudzika distance approximately quadruples too.
Ndezvipi zvikwata zvandinofanira kushandisa?
Usashandisa SI mayuniti—mafuta mukilogramu uye kukwira mumita panguva—kuwana simba mujoules. Kana iwe uine km/h, sarudza 3.6 kuti uite m/s usati wapinda.
API — kushandisa iyi kalkulator kubva code
Nhare iyi calculator semahara JSON endpoint - hapana chikuru zvinodiwa. Kutumira nzvimbo mavara pasi separameter query kana JSON. Chii zvachose chaunoisa kunze chinoshandisa default iyo peji iri rakasviba nayo; parameter isiri yechokwadi inonzi 400, uye haisi zero. Tora yakazara API docs →
Endpoint
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);Zviratidzo zvemubvunzo ndezvekufungidzira kwechinangwa chekudzidzisa chete, kwete zvemari, zvehutano kana zvemari.