Posted by Mandy on Tuesday, January 19, 2010 at 7:05pm.
Two solid spheres A and B are made from the same material. The mass of sphere B is eight times that of sphere A. If the radius of sphere A is 7.50 cm, what is the radius of sphere B? [Volume of a sphere of radius r is given by V = 4ðr63/3]

physics  Anonymous, Wednesday, January 23, 2013 at 9:17pm
15cm
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