There is no more room for you in this compartment.

A gas is enclosed in a room. The temperature, pressure, density and the number of moles respectively are t^@C, p " atm, d g " cm^(-3) and n moles. What will be the pressure, temperature, density and number of moles in each compartment if the room is partitioned into four equal compartments ?

In a stationary railway compartment, there are several passengers. If they start moving in the compartment, will CM of the compartment change ? Will the CM of the system of compartment and passengers change ?

Vacationing on a motorcycle, you see things in a way that is completely different from any other. In a car you are always in a compartment, and because you are used to it you do not realise that through that car window everything you see is just more TV. You are a passive observer and it is all moving by you boringly in a frame. On a motorcycle, however, the frame is gone. You are completely in contact with it all. You are in the scene, not just watching it anymore, and the sense of presence is overwhelming. "In a car you are always in a compartment, and because you are used to it you do not realise that ......... " In this sentence, 'it' refers to