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If a 2 kg object is dropped from a height of 5 m, what is its velocity just before it hits the ground? (g = 10 m/s²)

Practice Questions

1 question
Q1
If a 2 kg object is dropped from a height of 5 m, what is its velocity just before it hits the ground? (g = 10 m/s²)
  1. 10 m/s
  2. 5 m/s
  3. 15 m/s
  4. 20 m/s

Questions & Step-by-step Solutions

1 item
Q
Q: If a 2 kg object is dropped from a height of 5 m, what is its velocity just before it hits the ground? (g = 10 m/s²)
Solution: Using energy conservation, v = sqrt(2gh) = sqrt(2 * 10 * 5) = 10 m/s
Steps: 0

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