Mathematics · Application of Derivatives
A ladder 5 meters long stands on a horizontal floor and leans against a vertical wall. If the top of the ladder slides downwards at the rate of 10 cm/s, then the rate at which the angle between the floor and the ladder is decreasing when the lower end of the ladder is 2 meters from the wall is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 rad/s
- 220 rad/s
- 3120 rad/s✓
- 4110 rad/s
Correct answer
120 rad/s
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