Using a force of 200N, a hockey player does 500 J of work horizontally onto a puck that started from rest on frictionless ice. How far did the puck
travel?

The displacement is 2.5 meters

Explanation:

The formula for work is: W = Fs, where "W" is work, "F" is force, and "s" is displacement.

Since displacement is the shortest distance from start to finish, and the puck travels in a straight line, in this case, displacement = distance traveled.

Let's apply the formula:

The displacement is 2.5 meters

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2

iron would move it is magnetic there is a mag field around the current in the wire