To solve for the kinetic energy of the 70-kg man walking at 2.0 m/s using the GUFSA method, follow these steps:GUFSA Method:Given: - Mass = 70 kg - Velocity = 2.0 m/sFormula: KE=1/2m²Substitute:KE=1/2x70kg(2.0m/s)² Answer: - Calculate the kinetic energy: KE = 1/2x70x4KE = 140J