(II) Estimate how many books can be shelved in a college library with 3500 m 2 of floor space. Assume 8 shelves high, having books on both sides, with corridors 1.5 m wide. Assume books are about the size of this one, on average. The textbook is approximately 25 cm deep and 5 cm wide. With books on both sides of a shelf, the shelf would need to be about 50 cm deep. If the aisle is 1.5 meter wide, then about 1/4 of the floor space is covered by shelving. The number of books on a single shelf level is then 1 4 ( 3500 m 2 ) ( 1 book ( 0.25 m ) ( 0.05 m ) ) = 7.0 × 10 4 books. With 8 shelves of books, the total number of books stored is as follows. ( 7 × 10 4 books shelf level ) ( 8 shelves ) ≈ 6 × 10 5 books
(II) Estimate how many books can be shelved in a college library with 3500 m 2 of floor space. Assume 8 shelves high, having books on both sides, with corridors 1.5 m wide. Assume books are about the size of this one, on average. The textbook is approximately 25 cm deep and 5 cm wide. With books on both sides of a shelf, the shelf would need to be about 50 cm deep. If the aisle is 1.5 meter wide, then about 1/4 of the floor space is covered by shelving. The number of books on a single shelf level is then 1 4 ( 3500 m 2 ) ( 1 book ( 0.25 m ) ( 0.05 m ) ) = 7.0 × 10 4 books. With 8 shelves of books, the total number of books stored is as follows. ( 7 × 10 4 books shelf level ) ( 8 shelves ) ≈ 6 × 10 5 books
(II) Estimate how many books can be shelved in a college library with 3500 m2 of floor space. Assume 8 shelves high, having books on both sides, with corridors 1.5 m wide. Assume books are about the size of this one, on average.
The textbook is approximately 25 cm deep and 5 cm wide. With books on both sides of a shelf, the shelf would need to be about 50 cm deep. If the aisle is 1.5 meter wide, then about 1/4 of the floor space is covered by shelving. The number of books on a single shelf level is then
1
4
(
3500
m
2
)
(
1
book
(
0.25
m
)
(
0.05
m
)
)
=
7.0
×
10
4
books. With 8 shelves of books, the total number of books stored is as follows.
An architect is redesigning a rectangular room on the blueprints of the house. He decides to double the width of the room, increase the length by 89.0%, and increase the height by 20.0%. By what factor has the volume of the room increased?
A piece of wire of length 1.00 m is cut into two parts, one of which is bent into a shape of a circle and the other into the shape of a square. How should the wire be cut so that the sum of the enclosed areas is a minimum?
Assuming biological substances are 100% water, estimate the mass of a human kidney. Take a kidney to be roughly a sphere with a radius of 4 cm. kg
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