A rectangular solid is 5m long, 2m high and 4m wide. The mass of the solid is 300g. Find the density of this solid.​

Question

A rectangular solid is 5m long, 2m high and 4m wide. The mass of the solid is 300g. Find the density of this solid.​

in progress 0
Thu Nguyệt 5 years 2021-07-24T12:00:49+00:00 1 Answers 46 views 0

Answers ( )

  1. ThanhThu
    0
    2021-07-24T12:02:19+00:00
    Reply

    Answer:

    Density = Mass / Volume

    Mass = .3 kg

    Volume = 2 * 5 * 4 = 40 m^3

    Density = .3 g / 40 m^3 = .0075 kg / m^3

    1 kg/m^3 = kg * 1000 g / kg / (1 m^3 * (100 cm/m)^3) = 10E-3  gm/cm^3

    Density = 7.5 E-3 gm/cm^3

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )