alleryStart learning →A body drops from rest through 5 m without air resistance. Final speed? g = 10 m/s².
A50 m/s
B5 m/s
C10 m/s
D100 m/s
Answer & Solution
Correct answer: C. 10 m/s
Equating mgh to one-half mv² gives v² = 2 × 10 × 5 = 100, so v = 10 m/s.
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