Respuesta :
Answer:
56 Joules
Explanation:
We are given:
Mass of the Ball = 7 kg
Velocity of the Ball= 4 m/s
Kinetic Energy of the Ball:
We know that:
Kinetic Energy = 1/2 (Mass * Velocity²)
replacing the values
Kinetic Energy = 1/2(7 * (4)²)
Kinetic Energy = 1/2(7 * 16)
Kinetic Energy = 56 Joules