Walmart Labs Interview Question | Disk Rotation
Question
A disc is spinning on a spindle and you don’t know the direction in which way the disc is spinning. You are provided with a set of pins. How will you use the pins to describe in which way the disc is spinning?
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Interview Question
4 years
3 Answers
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Great Grand Master 0
Answers ( 3 )
just simply drop the pins on disc and observe the direction in which pins are falling out of the disc.
Place the pin on the disc and observe the direction in which it flies.
Drop the pins onto the spinning disc and note how they richochet of the surface.