11-14-2025, 10:19 PM
[border]TIER 4 — Applied Reasoning[/border]
Tier 4 — Challenge 001 — The Echo Ridge Problem
You stand between two cliffs: Cliff A and Cliff B.
You clap your hands and hear **two echoes**:
• The first echo arrives after **2.4 seconds**
• The second echo arrives after **3.8 seconds**
Assume:
• Speed of sound ≈ **340 m/s**
• You are standing **somewhere between the two cliffs**, not centred
Question:
How far are you from each cliff?
Explain your reasoning clearly.
? Submit Your Attempt
Thread title:
Tier 4 Attempt — YourUsername — Challenge 001
Tier 4 — Challenge 001 — The Echo Ridge Problem
You stand between two cliffs: Cliff A and Cliff B.
You clap your hands and hear **two echoes**:
• The first echo arrives after **2.4 seconds**
• The second echo arrives after **3.8 seconds**
Assume:
• Speed of sound ≈ **340 m/s**
• You are standing **somewhere between the two cliffs**, not centred
Question:
How far are you from each cliff?
Explain your reasoning clearly.
? Submit Your Attempt
Thread title:
Tier 4 Attempt — YourUsername — Challenge 001
