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Svet_ta [14]
2 years ago
12

Given a 10 foot length of tree trunk with a radius of 3 feet, what is the weight of the tree trunk section if it has a density o

f 45 lb/ft3? (to the nearest whole integer)
Mathematics
1 answer:
Soloha48 [4]2 years ago
3 0

You will use the formula for the mass of a cylinder. Since the trunk forms like a cylinder.

It is Mcylinder = density x pi x radius x height

So the given in our problem is:

Density = 45 lb/ft^3

Radius = 3ft

Height = 10 ft

 

Plugging that in our equation:

M cylinder = 45 lb/ft^3 * pi * 3ft^2 * 10 ft

= 5771.26 kgs

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