When a ball of mass m is dropped from height h, its kinetic energy just before landing is K. If a 2nd ball of mass 2m is dropped from height h/2, what is its kinetic energy just before landing? a) K/4 b) K/2 c) K d) 2K e) 4K

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When a ball of mass m is dropped from height h, its kinetic energy just before landing is K. If a 2nd ball of mass 2m is dropped from height h/2, what is its kinetic energy just before landing?
a) K/4

b) K/2

c) K

d) 2K

e) 4K

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