Question

If the block has a mass of 500 grams,what is its density?​

Answer 1

Explanation:

S1V1+S2V2−Sw(V1+V2)=20⟶(1)            

⇒(S1V1−SwV1)+S2V2−SwV2=20            

V1(S1−Sw)=28⟶(2)

⇒28+500V2−1000V2=20           

S1V1−SwV1=28

⇒28−500V2=20

⇒500V2=

Answer 2

Answer:

8kg is your answer.

thanks

~ Nikita Budhwani