Yokka Stars

Task id8798

Task id8798

Seller: nerdmavr

Price: 0.09 USD

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Product description

The tram moves with speed v. The radius of the tram wheel is equal to r, and the radius of the flange is equal to R (Fig. 12). At what speed and in what direction is the lower point of the flange moving at the moment?

Additional information

Short solution. Format png