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Mechanical Energy in Projectile Motion

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Two identical balls, A and B, are launched from the same height with an initial speed of v₀. Ball A is launched horizontally, while Ball B is launched at an angle θ above the horizontal. Assuming air resistance is negligible, how does the total mechanical energy of Ball A compare to that of Ball B immediately before each ball strikes the ground?

A

Cannot be determined without knowing θ

B

The mechanical energies are equal

C

Ball B has greater mechanical energy

D

Ball A has greater mechanical energy

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