A piece of gold (density 19.3 g/mL) has a mass of 3.85 g. What is its volume?

The volume of gold is "0.199 ml". A further explanation is solved below.

Explanation:

The given values are:

Density of gold,

= 19.3 g/mL

Mass of gold,

= 3.85 g

As we know,

⇒

On substituting the given values, we get

⇒                          

⇒                          

ek = (m·v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) ·v2/2

ek = (200 + 250) ·2,32/2 = 450·5,29/2 = 1190,25 j