Before 0.5-kg ball is dropped from a third story window 20 m above the sidewalk. what is the speed of the ball just before it strikes the sidewalk? a. 5m/s b 10 m/s c. 14m/s d. 28m/s e. 200m/s
Added by Grace K.
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8 m/s^2) and h is the height from which the object is dropped. Show more…
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