Question

A rectangular block of metal of density 8000 kg/m3 measures 2cm by 3 cm by 10 cm. What is the mass of the block?

Answer 1

Answer:

GIVEN ,

DENSITY ( D ) = 8000 Kg / m 3

VOLUME ( V ) = LENGTH × BREADTH × HEIGHT

= 60 Cm 3

= 60 × 10 ^ -6 m 3

WE KNOW ,

DENSITY = MASS / VOLUME

MASS = D × V

= 8000 × 60 × 10 ^ -6 Kg

= 480 g ......... ( ans )

@ AMINUL HOQUE.