Ahockey player has an acceleration of -3.1m/s. how long does it take him to come to a complete stop from a speed if 13m/s

If the hockey player is going at -3.1m/s this automatically tells you have to divide the 13m/s by the time speed of the acceleration do to the velocity change, and time so the answer would be 4.19seconds

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

a. spokes of a wheel.

as indicated in the question radial contains rad, also found in radius, so the fracture's would span the radius.