If your hand supplies the energy for the hammer to do the work where dos the energy to move your hand come from

the energy from food is transformed into energy stored in the ATP of the cells that is used for the movement of the hands.

Explanation:

Energy and mass cannot be created or destroyed, they can only be transformed.

The energy for the movement of the hammer comes from the hand and the hand gets its energy from the food ingested by the body and I transform it, assimilating the energy in the form of ATP molecules that the body can transform into energy to do a job, e; movement and sustaining one's life.

In summary, the energy from food is transformed into energy stored in the ATP of the cells that is used for the movement of the hands.

the answer is a 3.8cm

explanation:

ι вєℓιєνє ιт ιѕ тнє fιяѕт ¢нσι¢є(α.)

нє ѕнσυℓ∂ ѕмιℓє ρσℓιтℓу αи∂ ѕρєαк тσ тнє ρєяѕσи ωнσ ιѕ ιитєяяυριиg αfтєя тнє ∂ιѕ¢υѕѕισи

нσρє ι ¢συℓ∂ нєℓρ.