Determine 3784

The teacher brought to class two wooden models of cones, which were made of the same type of wood. The first model weighed 800g. The other had twice the base radius but half the height. Determine the mass of the second cone in grams.

Correct answer:

m2 =  1600 g

Step-by-step explanation:

m1=800 r2=2r1 h2=h1/2  k = π/ 3 H  m1 = k  r12 h1  m2 = k r22 h2 = k 4r12 h1/2 m2 = 2 k r12 h1 = 2 m1 m2=2 m1=2 800=1600 g



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