A stone is released from the top of a tower of height 45m. The final velocity of the stone just before touching the ground will be (take g = 10 m/s² )Required to answer. Single choice.
(1 Point)
30 m/s
196 m/s
60 m/s
40 m/s
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Answer:
60 m/s
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Answer:
Option 1) 30 m/s
Explanation :
→ v² = 0² + 2×10 × 45
→ v² = 0 + 20 × 45
→ v² = 900
→ v = √900
→ v = 30 m/s
⇒Hence, Proved
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