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A Block of Iron Has Dimensions 2 M × 0.5 M × 0.25 M. the Density of Iron is 7.8 G Cm-3. Find the Mass of Block. - Physics

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ConceptConcept of Physical Quantities and Measurement

Question

A block of iron has dimensions 2 m × 0.5 m × 0.25 m. The density of iron is 7.8 g cm-3. Find the mass of block.

Solution

Given, l = 2m
b = 0.5 m

              h= 0.25 m 

Density of iron  = 7.8 g `cm^-3`  = 7.8 ×1000 kg  `m^-3`  = 7800 kg `m^-3` 

volume of block  = l× b × h × 

                            =  2 × 0.5 × 0.25 ×= 0.25 `m^3`

 From  relation  d = `M/V` 

∴ Mass of iron block  M = V × d  

                                        = 0.25 × 7800 kg `m^-3` 

                                         = 1950 kg 

  Is there an error in this question or solution?

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Solution A Block of Iron Has Dimensions 2 M × 0.5 M × 0.25 M. the Density of Iron is 7.8 G Cm-3. Find the Mass of Block. Concept: Concept of Physical Quantities and Measurement.
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