Understanding Kinetic Energy
Kinetic energy is the energy an object possesses due to its motion. The formula for kinetic energy is:
* KE = (1/2) * m * v²
Where:
* KE is kinetic energy (measured in Joules, J)
* m is the mass (measured in kilograms, kg)
* v is the velocity (measured in meters per second, m/s)
Calculating the Kinetic Energy
1. Identify the values:
* Mass (m) = 0.14 kg
* Velocity (v) = 18 m/s
2. Plug the values into the formula:
* KE = (1/2) * 0.14 kg * (18 m/s)²
3. Calculate:
* KE = 0.07 kg * 324 m²/s²
* KE = 22.68 J
Therefore, the kinetic energy of the baseball is 22.68 Joules.
