A paperweight made of plastic consists of a right cylinder placed on a broader cylinder as shown in Fig. 13.42. The total height of the paperweight is 6 cm, the top cylinder being 2 m tall. The radius of the base of the lower cylinder is 3 m while the diameter of the base of the upper cylinder is 3 m. Find the weight of the paper-weight if 1 cm ^ 3 of the plastic weighs 3.5 g.
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Mujhe nhi aata hait samje
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hence total weight of paperweight =445.5 g
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