plz help...............exams going on

Asked by narinder | 29th Nov, 2009, 02:10: PM

Expert Answer:

The volume of solid iron core = πD2L/4 = 3.14x242x220/4 = 99475.2 cm3

The volume of the surmounted cylinder = πD2L/4 = 3.14x162x60/4 = 12057.6 cm3

The total volume of the pole = 99475.2 + 12057.6 = 111532.8 cm3

The mass of iron pole = 111532.8 x 8 =892262.4 gm = 892 kg.

Regards,

Team,

TopperLearning.

Answered by  | 29th Nov, 2009, 06:13: PM

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