Speed of an arrow when given force, weight, distance

[joe426]

Homework Statement

Homework Equations

W_net = ΔKE
F = ma

The Attempt at a Solution

I don't know how to break this information down into finding a velocity using these equations

 

[SHISHKABOB]

the string is doing work on the arrow. Your first equation is all you need for this problem.

 

[Simon Bridge]

You'd need both those equations and a kinematic equation - but what you really want would be the relationship between work and force and distance.