Question

Solve the following numericals. i
) The length. breadth and height of a room are 10 m , 8 m ,and 5 m respectively.If density of
air is 1.29 kg m -3 find the mass.

Answer 1

Answer:

516kg

Explanation:

volume of a cuboid=l*b*h

vol=10*8*5

vol=400 meter cube

mass = volume*density

mass=400*1.29

mass=516kg