Question: A television camera is positioned 8 km from a helicopter landing pad. The helicopter is rising vertically with a speed of 2 km/h. If the

A television camera is positioned 8 km from a helicopter landing pad. The helicopter is rising vertically with a speed of 2 km/h. If the television camera is always kept aimed directly at the helicopter, how fast should the camera's angle of elevation be changing when the helicopter is at 3 km altitude? (The angle of elevation is the angle between the ground and the camera's line of sight.)

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2. Find out if there are other reference points that can be used as reasonable alternatives.

1. Identify your reference point when making a decision based on an element of risk.

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.