Planets in our solar system do not revolve around the sun in perfect circles. their orbits are more like ovals that scientists describe as which of the following

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

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

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n