
# Given parameters
W = 20  # work in J
m = 14  # mass in kg
v = 0.20  # final velocity in m/s
v0 = 0.60  # initial velocity in m/s

# Calculations
delta_E_mec = 0.5 * m * v**2 - 0.5 * m * v0**2  # change in mechanical energy
delta_E_th = W - delta_E_mec  # change in thermal energy

print(delta_E_th)

