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A ball is thrown horizontally from a height of 20 m. How long does it take to hit the ground? (2019)

Practice Questions

1 question
Q1
A ball is thrown horizontally from a height of 20 m. How long does it take to hit the ground? (2019)
  1. 1 s
  2. 2 s
  3. 3 s
  4. 4 s

Questions & Step-by-step Solutions

1 item
Q
Q: A ball is thrown horizontally from a height of 20 m. How long does it take to hit the ground? (2019)
Solution: Using the equation of motion for free fall: h = (1/2)gt². 20 m = (1/2)(9.8)t². Solving gives t ≈ 2 s.
Steps: 0

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