Question

1. Given the data: Material Density (kg/m) Aluminum (AC) 2.7 x 10 Steel (Iron) 7.8x10' Brass 8.6 x 10 Lead (Pb) 11.3 x103 Gold (Au) 19.3 x103 What material is your object made of?

Answer 1

Ans 1 : Steel (Iron) (All ans are true)

Ans 2 : To measure volume of an irregular shape stone place it with full of water. change in water level will give you volume of stone. figure is given as below,

Using a measuring cylinder For an object that sinks in water A measuring cylinder For an object that floats in water A measuring cylinder with a sinker Step 1 Read the volume of water before putting in the object. VA Step 2 Read the volume of water after putting in the object. Step 3 Determine the volume (V) of the object. V=V-V. V - V -V

Ans 3 :

Free body dig of object hanging with string.   

Free Body Diagram mg

Free body dig of object hanging with string and submerged in water.

mg