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A Stone Is Dropped from a Bridge and Allowed to Free-Fall

Question 28

Short Answer

A stone is dropped from a bridge and allowed to free-fall downward.As it falls a certain distance its gravitational potential energy decreases by 1000J.By how much does the stone's
Kinetic energy increase? (Neglect air resistance.) a. 100 J100 \mathrm {~J}
b. 500 J500 \mathrm {~J}
c. 1000 J1000 \mathrm {~J}
d. 2200 J2200 \mathrm {~J}

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