A Ball Falls from the Top of a Building, Through

question 82

Multiple Choice

A ball falls from the top of a building, through the air (air friction is present) , to the ground below. How does the kinetic energy (K) just before striking the ground compare to the potential energy (U) at the top of the building?

• A) K is equal to U.
• B) K is greater than U.
• C) K is less than U.
• D) It is impossible to tell.

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