Question

20lChapter II The description for a certain brand of house paint claims a coverage of 460 ft /gal (a) Express this quantity in square meters per liter. (Some conversion factors: 1 m 3.281 ft; 1 gal 3.785 L; 1 m3 1000L) (b) Express this quantity in units derived from SI base units only (c) What is the inverse of the quantity you found in (b), and what is its physical significance? Hints: (a) Multiply the given quantity by an appropriate form of the number 1, so the feet and gallons (b) Now we need to eliminate liters, which is not an SI base unit. In terms of SI base units, (c) Think of a layer of paint on a wall. The original quantity (the "coverage") represents the area cancel, leaving m2/L volumes are measured in m3 of the wall divided by the volume of the paint. The inverse of the quantity therefore represents the volume divided by the area. What's that?

Answer 1

3.28 3,38 3, 281 2 (3.3m) (3.25) L 2. 2 11,279 62 쓰 11·259 6 =11.23% 2 χ 1000 m- m 3 hav tneun ickne何 the house