E = PE_g + KE_r + KE_t = m g h + ½ I v² + ½ m v²

PE_g - Gravitational Potential Energy.

KE_r - Kinetic Energy of Rotation.

KE_t - Kinetic Energy of Translation.

m g h - (mass)(gravity = 9.82 m/sec²)(height from which it being dropped)

½ I v² - (1/2 Inertia)(velocity²)

½ m v² - (1/2 mass)(velocity²)

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