mackenzienix mackenzienix

12-09-2018
Physics

contestada

I need answer fast please

A sample of gold has a mass of 38.6 grams and a volume of 2 cm3. What is the density of gold?

A sample of iron has a mass of 46.8 grams and a volume of 6 cm3. What is the density of iron?

Water has a density of 1.0 g/cm3. What is the mass of 10.0 cm3 of water

Respuesta :

doniyulexa doniyulexa

14-09-2018

gold density = 38.6 *10^-3 / 2 *10^-6 = 19300 Kg/m3 Iron density = 46.8 *10^-3 / 6 *10^-6 = 7800 Kg/m3 water mass = density*volume = 1 * 10 = 10 grams = 0.01 Kg

Answer Link

Otras preguntas

If a store credit account charges 1.5% interest each month, what is the APR?

When this car moves forward by 180 cm, each wheel does one full turn. What is the diameter of the wheels to the nearest centimetre?

Is the following correspondence a function

What are some key words to use in writing and evaluation?

let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))

If a 35 ft rope is cut into two sections with one section 6 times as long as the other section, how long is the shorter piece?

What does the random variable (r) for a binomial experiment of n trials represent?

Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A

let f(x)=2x+2. solve f^-1(x) when x=4.

Holly decided to share 1/2 of her share of the pizza with Deb. How much did each of them actually?