Two charges that are 2 meters apart repel each other with a force of 2×10⁻⁵ newton. If the distance between the charge is decreased to 1 meter, the force of repulsion will be... A) 1×10⁻⁵ N
B) 5×10⁻⁶ N
C) 8×10⁻⁵ N
D) 4×10⁻⁵ N

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

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

Where do magnetic lines of force enter earth?