Work done by an external non-conservative force is equal to change in the mechanical energy of the system.Final M. E - Initial M. E = WIf an external force does no work, then mechanical energy will be...
1) The molecules of the substance are formed by polar covalent bonds:A) HCL.B) H2.C) CL2.D) I2.2) There are only 14 possible 3D lattices are called:A) Straight lattice.B) Unit lattice.C) Bravais lattice.D)...