A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.8 cm. its mass is 1.3 kg. calculate the density of the metal. express your answer to two significant figures and include the appropriate units.

Question

Tristian Stanley

Physics

12 January, 19:22

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.8 cm. its mass is 1.3 kg. calculate the density of the metal. express your answer to two significant figures and include the appropriate units.

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Answers (1)

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Tyke · Answer 1

Density (rho) = m/v

(1.3) / ((3.2) (17.1) (3.8))

since density is given in kg/m^3 you should convert the blocks dimensions to meters

1.3 / (0.032*0.038*0.171)

plugging in these numbers would give you the density

1.3/0.000208

6250

with sigfigs = 6300kg/m^3