Phys2425 QUESTIONS. 1. Convert the following values from British to SI units using an appropriate number of significant digits. a. Sue's height h is 5 ft and 2.0 inches. What is Sue's height in meters? h = b. Sue's weight is 125.0 lb. What is her mass, M, in kg? M = 2. Show that there are 10" cm in a I m' volume. 3. A standard scale (ruler) is used to measure the width of this page as follows: The one cm mark with the left edge of the top of the page, and the right edge appears to line up exactly with the 0.5 cm mark between 22 and 23 cm. Which one of the following recordings of the width is wrong, and why is it wrong? a. W =215.0 mm b. W = 21.5 cm c. W =21.50 cm 4. The volume of a steel rod is measured as follows: The diameter of the rod is measured with a micrometer to be D = 5.080 + 0.002 mm. The length is measured to be L = 88.90 + 0.02 mm. What is the uncertainty in the volume? 5. The density of steel is p = 7.86 g/cm'. Show the conversion to a value in kg/m units