Una masa de 10,0 kg se mueve hacia arriba en un plano inclinado con una fuerza de 99,9 N. Si el coeficiente de fricción cinético es de 0,400, ¿Cuál es el trabajo realizado por la fuerza de fricción cinética si la masa se desplaza 15,0 metros hacia arriba?
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Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

The least penetrating form of radiation is

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?