Question 2 (Multiple Choice Worth 2 points) (01.03 LC)
2
A student is trying to calculate the density of a can. He already knows the mass, but he needs to determine the volume as well. Which of the following formulas can be used to calculate
the volume of the can?
3
O V =
3
1
OVE Tran
3
OV=53
Ov=mrah

r²  x h

Explanation:

A can is cylindrical in nature. Using the formula of the volume of the can, we can find this unknown volume.

The volume of cylinder is given as:

   Volume of a cylinder  = Area x height

  Volume of  a cylinder = r²  x h

Therefore density of the can;

      Density  =

there is none because earth is stationary and flat.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.