Problems 1. Calculate the number of kilometers in 64 miles using only the following conversion factors: 1 mi=5280 ft; 1 ft = 12 in; 1 in = 2.54 cm; 1 m = 100 cm; and 1 km = 1000 m. 2. A rocket attained a height of 280 km. What is this distance in miles? Use the following conversion factors: 1 mi 5280 ft; 1 ft = 12 in; 1 in = 2.54 cm; 1 m = 100 cm; and 1 km = 1000 m. = 3. How many cubic millimeters are there in 5 cubic meters? 4. Suppose that it takes exactly 18.0 hr to drain a container of 1.60 liters of water. What is the average mass flow rate (in kilograms/second) of water from the container? Assume that the density (mass/volume) of water is exactly 1 g/cm^3. 5. A certain spaceship has a speed of 14600 mi/hr. What is its speed in light-years/century? A light-year is the distance that light travels in one year with a speed of 186,000 mi/s.