Kifaa cha Kutetea Nishati
HALME TE = 1 /2mv2 kwa ajili ya nishati, uzito au mwendo wa kasi, kwa mwendo na kona.
Matokeo yanakuwa bora zaidi unapochapa.
Kuhusu kifaa hiki cha kupigia hesabu
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.
Maswali yaliyoulizwa mara nyingi
Njia ya nishati ya kijamii ni nini?
Kinetic energy is KE = ½ × m × v², where m is mass in kilograms and v is speed in metres per second. A 2 kg object at 3 m/s has ½ × 2 × 9 = 9 joules.
Kwa nini mwendo wa kasi ni zaidi ya uzito?
Magamba ya nishati ya kineti yenye mwendo wa kasi lakini likaribialo uzito, kwa hiyo mwendo wa kasi maradufu huongezeka kwa mara nne huku uzito ukirudufika - maradufu ukiizidisha maradufu tu.
Kuna tofauti gani kati ya nishati ya kijamii na mwendo?
Mom ni p = m Cop v na mizani likaribia kwa kasi, hali nishati ya ki-Magharibi ni 1 /2 m v2 na magamba yenye mwendo wa kasi sana. Kimo 2 cha uzani kwa m 3/s kilo·m/ 6 za mwendo lakini 9 J ya nishati; kwa maradufu mwendo huo maradufu ya mwendo wa kasi lakini nishati ni quaples.
Ninapataje mwendo wa kasi kutokana na nishati ya ki-Malesia ijulikanayo?
Rearrange to v = KU KUNC2·KE / m. Setiting "aazimia" kufunga kwa kasi, kuingia katika nishati na uzito, na kikoa hicho huingiza nishati hiyo kwa mfano 9 J katika kilo 2 chatoa ET18 / 2) = 3 m/s.
Kwa nini mwendo wa kusimama hukua haraka hivyo?
Breki hutoa nishati ya kineta kwa mwendo wa kasi, na nishati hiyo huongezeka kwa mwendo wa mraba.
Ninapaswa kutumia vipimo gani?
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 bustanini hutumia kifaa hiki cha hesabu kutoka kwenye mfumo wa sheria
Ipigie simu kifaa hiki cha kupigia hesabu kama Junse É not doot toder. Chochote unachoacha kinatumia kiwango kilekile cha mwisho ambacho ukurasa huu haujakamilika; parameta isiyojulikana ni 400, si sufuri kimya kamwe. Soma habari kamili za API docs →
keyboard label
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);Matokeo ni makadirio ya mwongozo wa ujumla, si wa kifedha, wa kitiba au wa kodi tu.