A man comes down a 30° incline at speed 2√3 m s⁻¹. While moving, he must keep his umbrella vertical to avoid rain. Actual rain speed is 3 m s⁻¹. At what angle with the vertical should he hold the umbrella when standing still?
Physics · Kinematics part-3 Relative motion · Rain problem and relative approach problem
A man comes down a 30° incline at speed 2√3 m s⁻¹. While moving, he must keep his umbrella vertical to avoid rain. Actual rain speed is 3 m s⁻¹. At what angle with the vertical should he hold the umbrella when standing still?
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