Answer:
m = F/a = 50 / 1.2 = 41.6666.... 42 kg
Explanation:
It hasn't moved from its original spot so displacement is 0
All three choices are correct.
If you measured all the energy related to motion and all the stored
energy in the particles of a substance, you would be measuring the thermal energy of the particles. If
there is movement of the particles, they are also releasing energy in the form
of heat.