sebastianmel19992006 sebastianmel19992006
  • 01-04-2020
  • Mathematics
contestada

The diameter of a rod is 4 cm. If the material weighs 9.42 kg and has a
density of 6 g/cm3 . find the length of the rod. (Take π=3.14)

Respuesta :

tinybooyah
tinybooyah tinybooyah
  • 09-12-2021

Answer:

125

Step-by-step explanation:

R = 4 cm , r = 2 cm

weight = 9.42 kg --> 9420 g

density = 6 g/cm³

9420g/volume cm³ = 6 g/cm³

9420/6 = volume

1570 = volume

.

.

.

volume of a rod = 1570 cm³

πr²h = 1570

3.14×2×2×h = 1570

12.56×h = 1570

h = 125 cm

; length of the rod is 125 cm

Answer Link

Otras preguntas

The term political culture primarily refers to __________.
How do u solve triangle proofs with altitude?
How do you solve it to get the answer to this problem
How many moles of hydrogen are produced from the reaction of three moles of zinc with an access of hydrogen chloride?
Find the volume of a frustum of a right pyramid whose lower base is a square with a side 5 in. and whose upper base is a square with a side 3 in., and whose al
What would happen to a eukaryotic cell if all it mitochondria were destroyed
What was the theme of Fredrick Jackson Turner’s thesis?
The concept of branding first emerged during the ________.
Meredith borrows 12560 and pays 2 percent simple interest each year for four years what is the total that she will pay on the loan
Thos researchers who advocate for a fourth core factor that