If the train has a mass of 188 000 kg and the coefficient of friction on dry steel is 0.41 (static) and 0.38 (kinetic), what is the amount of static and kinetic friction force available to the wheels?

i think its

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

3. dark matter

empty space could also be a simple vacuum