38. II Suppose that on earth you can jump straight up a distance of 50 cm. Can you escape from a 4.0-km-diameter asteroid with a mass of 1.0 X 1014 kg? are not necessarily integers. Define x = log u and y = log v. Find an expression for y in terms of x. b. What shape will a graph of y versus x have? Explain. c. What slope will a graph of y versus x have? Explain. d. Use the experimentally determined "best-fit" line in Fig- ure 13.17 to find the mass of the sun