Please help, due tonight, keep getting different answers 2. A ball of mass 0.2 kg is placed in a small cup on a vertical spring with a spring constant 400 N/m.
The spring is compressed 0.1 m and released. Ignoring air resistance, the maximum height of the
ball above its starting point is most nearly
(A) 20 m (B) 10 m (C) 2 m (D) 1 m

Describe uniform velocity and variable velocity in short

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

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