A dining hall has dimensions `50mxx10mxx3.5m`. Calculate the mass of air in the hall. Given, density of air`=1.30(kg)/(m^3)`.

If a room has dimensions 3m x 4m x 5m, what is the mass of air in the room if density of air at NTP is 1.3kg/m^(3)

Calculate the rms speed of air molecules at N.T.P. if density is 1.29kg m^(-3)

Calculate the r.m.s. velocity of air molecules at S.T.P. Given density of air at S.T.P. is 1.296 kg m^(-3) .

How many persons can be accommondatd in a dining hall of dimensions (20cmxx16cmxx4.5cm) , assuming that each persons requires 5 cubic metres of air?

How many person can be accommodated in a dining hall of dimensions (20 m xx 16 m xx 4.5 m) , assuming that each person requires 5 cubic metres of air ?

How many persons can be accommodated in a dining hall of dimensions (20 m xx 15 m 4.5 m) , assuming that each person requires 5 m^(3) of air ?

A door of dimensions 3mxx2m is on the wall of dimension 10 mxx10 mdot Find the cost of painting the wall if rate of painting is Rs 2. 50 \ p e r\ s qdot\ metredot

What is the mass of air in a room of dimensions 3mxx4mxx5m , when the density of air is 1.3 kg m^(-3) ?

Calculate the mass of air in a room of dimensions 4.5 m x 3.5 m x 2.5 m if the density of air at N.T.P. is 1.3 "kgm"^(-3)

A body weights 5 kg in air. Calculate the apparent weight of the body in water if its density is 2000 kg//m^(3) .