If 2N force is applied on 2kg mass due east and same magnitude of force due west what is the change in velocity of the body in 2sec?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume