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If a 2 kg object is dropped from a height, what is its velocity just before hitting the ground? (g = 9.8 m/s², h = 20 m) (2023)

Practice Questions

1 question
Q1
If a 2 kg object is dropped from a height, what is its velocity just before hitting the ground? (g = 9.8 m/s², h = 20 m) (2023)
  1. 14 m/s
  2. 19.6 m/s
  3. 20 m/s
  4. 28 m/s

Questions & Step-by-step Solutions

1 item
Q
Q: If a 2 kg object is dropped from a height, what is its velocity just before hitting the ground? (g = 9.8 m/s², h = 20 m) (2023)
Solution: Using v² = u² + 2gh, where u = 0, we find v = √(2 * 9.8 * 20) = 19.6 m/s.
Steps: 0

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