Chapter Four Question

Question

Which has more kinetic energy: a 0.0018-kg bullet traveling at 409 m/s or a 5.0  10⁷-kg ocean liner traveling at 11 m/s (21 knots)?

Justify your answer.

Ek-bullet	=	J
Ek-ocean liner	=	J

Answer 1

Ek Bullet = 150.55J

Ek of Ocean Liner = 3.02 810^9 J

Using

KE = 1/2 MV^2