Question

A HOLLOW COPPER SPHERE WEIGH 5KG AND ITS EXTERNAL DIAMETER IS 12CM.IF THE CAVITY IS SPHERICAL,FIND ITS RADIUS,GIVEN THAT THE DENSITY OF COPPER IS 8900KG/M'3

Answer 1

Answer:

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Answer 2

Answer:

Weight of lead by volume

The answer is calculated by multiplying the volume of the ball by the density of the material. 4.1887 times the density of lead, which is 0.409 pounds per cubic inch, gives a weight of 1.713 pounds.