simonjm899ot1d8p simonjm899ot1d8p

13-07-2017
Mathematics

contestada

Two spheres of the same density have a ratio of 9 to 16 in surface area. If the small sphere weighs 15 kg, what does the large sphere weigh?

Respuesta :

Аноним Аноним

13-07-2017

surface area of a sphere = 4 pi r^2

radius of small sphere = sqrt (9/4pi) = 0.8463

radius of larger one = sqrt (16/4pi) = 1.1284

ratio of the weights is 1.1284^3 : 0.8463^3 = 2.37

large sphere weighs 15 * 2.37 = 35.55 kg

Answer Link

Otras preguntas

David has kept track of his family’s grocery bills for the past 10 weeks, as shown in the table. Week 1 2 3 4 5 6 7. 8 9 10 Bill ($) 92 106 129 115 100 84 110 1

In each of the following pairs, complete one sentence with the correct form of ser and the other with the correct form of estar. The incorrect forms of either s

How does dr.Martin Luther king jr.’s use of rhetoric support his theme of the need for a transformation of American values

The midpoint of overline AB is M(-4, -3). If the coordinates of A are (-1, -2) what are the coordinates of B?

What solution does ?

10 points easy………………

Need help on this one please

What mass of Al2O3 is formed in the reaction of 4700 kg of aluminum? Answer in units of kg

loni cut a loaf of banana bread into equal pieces.Over the week, her brother eats 2/6 of the loaf, and Loni eats 3/6 of the loaf

Delmy is writing an essay about the history of education in the United States. She has a list of sources to utilize: www.blogger.education.com www.educationfact