Convert 2.5gmm-2 to kgm-2​

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot