Kinetic energy is the energy possessed by an object due to its motion. It depends on both the mass and velocity of the object.
The unit of kinetic energy is the joule (J).
One joule of energy in terms of sound energy is equivalent to the energy produced by a small, quiet conversation.
The mathematical relation for kinetic energy (KE) is given by the formula:
Kinetic Energy = 0.5 × m × v2
where m is the mass of the object and v is its velocity.
| Object | Mass (kg) | Velocity (m/s) | Kinetic Energy (J) |
|---|---|---|---|
| Sprinting Human | 70 | 9 | 2,835 |
| Airplane (takeoff speed) | 150,000 | 90 | 607,500,000 |
| Bicycle (riding speed) | 10 | 5 | 125 |
| Roller Coaster (peak) | 1,000 | 15 | 112,500 |
| Earth’s Orbital Motion | – | 29,780 | – (considered constant) |
| Bullet (handgun) | 0.005 | 400 | 400 |
| Speeding Train | 200,000 | 36 | 129,600,000 |
| Wind Turbine Blade Tip | – | 50 | – (depends on blade size) |
| Running Cheetah | 60 | 30 | 27,000 |
| Basketball (dribbling) | 0.6 | 5 | 7.5 |
Bio-based epoxy resins are eco-friendly alternatives to traditional, petroleum-based epoxy resins. These resins are important…
Modulus is defined as the slope of the straight-line section of a stress (σ) versus…
The rank of a matrix corresponds to the count of linearly independent rows or columns…
The critical strain energy release rate (Gc) is often associated with linear elastic fracture mechanics…
The equation of flow of heat represents Fourier's Law of Heat Conduction, describing the heat…
Real Expansion: Real expansion refers to the actual increase in volume of a substance due…