Question

The diameter of a lead ball is 2.1 cm. The density of the lead used is 11.34 g/c^3. What is
the weight of the ball?​

Answer 1

Step-by-step explanation:

Diameter of lead ball=2.1cm

Radius(r)=

2

2.1

cm

Volume=

3

4

πr

3

=

3

4

×

7

22

×

20

21

×

20

21

×

20

21

=4.851cm

3

Density=11.34g/cm

3

Density=

volume

Mass

11.34=

4.851

Mass

Mass=11.34×4.851g

Mass=55.01g.