Hey everybody, this here was one of the questions Cambridge university gave to students applying there these past few years, i'm having some trouble figuring out how it works, can anybody help me out? Cheers:)(adsbygoogle = window.adsbygoogle || []).push({});

Consider two balls, one small and one large, the smaller ball sitting on top of the larger. Assuming the small ball begins to slide down the side of the large ball, at what point will the two balls cease to be in contact with one another?

Christian K.

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# Troublesome Question

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