Àwọn Ìṣàmúlò-ètò Ìṣàmúlò-ètò

Ṣàtunṣe KE = ½mv² fún agbara, ìwọ̀n tàbí ìjánu-ìjánu, láti inú ìjánu-ìjánu náà àti kúrù.

Àwọn àwọn ààyè-iṣẹ́

Àwọn Ìṣàmúlò-ètò

Ìjánú ìsàlẹ̀-ilà

m/s

Enẹ́rì

Enẹ́rì Kínẹ́tì (J) —

Ìjánu-ìṣàmúlò-ètò (kg·m/s) —

Ìjánu-ìfún (kg) —

Ìjánu-ìsún —

Àwọn Àtòjọ-ẹ̀yàn àwọn ìṣàmúlò-ètò

Ńlà àwọn àwọn ààtò àtòjọ-ẹ̀yàn yìí?

Àkóónú ìṣàmúlò-ètò yìí

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.

Àwọn Àtòjọ-ẹ̀yàn

Kini ìṣàmúlò-ètò ìfẹ́fẹ́ ìfẹ́fẹ́?

Enẹ́rì kinetikì ni KE = ½ × m × v², níbí tí m jẹ́ ìwọ̀n nínú kilógiramù àti v ní ìráwọ̀n nínú àwọn mérí nínú sékètà. Àwọn ohun 2 kg nínú 3 m/s ní ½ × 2 × 9 = 9 joules.

Kini idi ti àkóónú bá jẹ́ ìrànwọ́ jú ìṣàfarawé àwọn ààyè-iṣẹ́ lọ?

Enẹ́riji kinetikí ni a fi pọ̀jú pẹlú igun kejì tí a fi hàn, sugbon nípa pẹ̀lú́ àtílẹ̀yiǹ kan, ki o si jẹ́ pé a fi pọ̀jú kaǹdá si enẹ́rijí nípa àtílẹ̀yiǹ mẹ́tà, nígbà ti a ba fi pọ̀jú kańdá si àtílẹ̀yiǹ kaǹdá si enẹ́rijí.

Kini iyatọ laarin agbara kinetic ati momentum?

Mónẹ́mù jẹ́ p = m × v àtí ìṣàmúlò-ètò nípa ìpelè nípa ìpelé, nígbà tí agbara kinetic jẹ́ ½ m v² àtí ìṣàmúlò-ètò nípa ìpelè nípa ìpelè. Ìpàpọ̀ 2 kg ní àwọn m/s 3 ní 6 kg·m/s ìṣàmúlò-ètò àtí 9 J ìṣàmúlò-ètò; nínú àwọn ìpelè meji, mónẹ́mù náà gbàdúrò látí gbàdúrò àtí agbara náà gbàdúró.

Bawo ni mo ṣe lè rí ìpelè láti inú ìpéwọ̀n àwọn ààtò àwọn ààtò?

Ṣàfikún sí v = √(2·KE / m). Ṣàfikún "ṣàfihàn fún" sí àgbéwọlé, tẹ̀ inú inirà atí ìṣàmúlò-ètò, àtí kalkulatorù náà ń ṣé o - bi ààtòjú 9 J nínú ìṣàmúlò-ètò 2 kg náà náà √(18 / 2) = 3 m/s.

Kini idi ti àwọn ìjánu-ìjá

Àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá àwọn ìpàdá

Ìgúnrégé wo ni mò yẹ ki o lo?

Lo àwọn ààtò SI - àwọn àwọn ìsàlẹ̀-ilà nínú kilógiramu àti ààtò nínú àwọn mérí nínú sékètà - láti gba ìrànwọ́ nínú joules. Tó bá ní km/h, fi 3.6 pamọ́ láti yí m/s padà láti inú rẹ̀.

API — ló àwọn ìṣàmúlò-ètò yìí láti inú ìṣàmúlò-ètò

Fi àwọn ìṣàmúlò-ètò yìí kọ̀ǹpútà yìí láti jẹ́ ààyè-iṣẹ́ JSON tí a tí fi pamọ́ - kò ní bọ́tìnì kan tí a fẹ́. Fi àwọn fálù ààyè-iṣẹ́ sílẹ̀ sí bí àwọn àwọn ìṣàmúlò-ètò àti JSON. Anything you omit uses the same default this page is pre-filled with; an unknown parameter is a 400, never a silent zero. Ka àwọn àkọlé API kíkún →

Àwọn Ààyè Ìjánu-ìṣàmúlò-ètò

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.

Àkóónú ìṣàmúlò-ètò yìí

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