A riverboat heads 5.1 m/s East on a river that flows 3.6 m/s North. What is the magnitude of the riverboat's velocity? (AKS 2a1) A)

6.2m/s

B)

8.7m/s

C)

2m/s

D)

10.5m/s

What happens to atoms and chemical bonds during a reaction?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

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