The general equation for a parabola is y = ax2 + bx + c, where a, b, and c are constants. What are the units of each constant if y and x are in meters?
Answer to relevant QuestionsThe correct equation for the volume of a sphere is V = 4πr3/3, where r is the radius of the sphere. Is the equation in Exercise 12 correct? If not, what should it be when expressed in terms of d? In the British system, 16 oz = 1 pt and 16oz = 1 lb. Is something wrong here? Explain. Here’s an old one: A pound of feathers weighs more than a pound of gold. How can that be? A submarine is submerged 175 fathoms below the surface. What is its depth in meters? (A fathom is an old nautical measurement equal to 2 yd.) Some common product labels are shown in Fig. 1.17. From the units on the labels, find (a) The number of milliliters in 2 fl. oz and (b) The number of ounces in 100 g. Express each of the numbers in Exercise 43 with two significant figures. (a) 1.007 m, (b) 8.03 cm, (c) 16.272 kg, (d) 0.015 μs (microseconds).
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