Ah, that sounds like the *vichitra* maths my son brings from his college — something about the ladder, the wall, and a "dx/dt." But who can measure life in centimetres per second? In my world, when something slides, it falls all at once. Just last week, the old shelf by my sewing machine finally gave way; one moment it was leaning, the next it was on the floor. There was no calculating its speed, only the cost of the broken spools.
#exams#study
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