.Which of the following best describes the momentum of a 1000 kg train rolling to the right at 3 m/s ? a) The train has 3000 kg*m/s of momentum

b) The train has 3333.33 kg*m/s of momentum

c) The train has 3000 kg*m/s of momentum to the right

d) The train has 3000 kg*m/s of momentum to the left

0.55x745.7j and a calculator

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

no sign of dia of fuel cell

reserve is the answer