Quiz 2 1. 1 mi is equivalent to 1609 m so 55 mph is: A) 15 m/s B) 25 m/s C) 81 m/s D) 123 m/s 1500 m/s 2. There is no SI base unit for area because: A) an area has no thickness; hence no physical standard can be built B) we live in a three (not a two) dimensional world C) it is impossible to express square feet in terms of meters D) area can be expressed in terms of square meters E) area is not an important physical quantity 3. 1 m is equivalent to 3.281 ft. A cube with an edge of 1.5 ft has a volume of A) 12 x 102 m B) 9.6 x 10-2m C) 10.5 m D) 9.5 x 10-2 m3 E) 0.21 m