
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A body with a mass of 8 kg moves in a straight line according to the law \( s = 2t^2 + 3t - 1 \). Find the kinetic energy of the body \( \left(\frac{1}{2}mv^2\right) \) 3 seconds after the start of the motion.

Present the answer in LaTex format: \boxed{Your answer}
user