Estimate the average force exerted by a shot-putter

[heyhowsitgoin]

Homework Statement

Estimate the average force exerted by a shot-putter on a 7.5 kg shot if the shot is moved through a distance of 3.0 m and is released with a speed of 11 m/s.

Homework Equations

F=ma
using cos and sin?

The Attempt at a Solution

not sure how to begin

 

[kuruman]

Use the kinematics equations to find the acceleration first.

 

[RoyalCat]

Use the kinematics equations to find the acceleration first.

An equivalent approach would be to use work and energy, and the work-energy theorem, and I think it might save the TS some grunt-work with the kinematic equations.