Practice:
The figure shows a vertical section through the axis of a solid paper-
weight made...
Mathematics, 16.06.2020 11:57 Clark1212
Practice:
The figure shows a vertical section through the axis of a solid paper-
weight made in the shape of a right circular cone. Its height is 8 cm and
the diameter of its base is 4 cm. The shaded portion is made of lead 2 cm
thick while the unshaded portion is made of wood. Lead weighs 11.3
g/cm² and wood weighs 0.9 g/cm². Calculate
a. The total volume of paper-weight;
b. The volume of the wooden portion;
c. The total weight of paper-weight.
(The volume of a cone of radius r and height h is z rerh)
I
Answers: 2
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