![Two cylinders A and B of the same material have same length, their radii being in the ratio of 1 : 2 , respectively. The two are joined end to end as Two cylinders A and B of the same material have same length, their radii being in the ratio of 1 : 2 , respectively. The two are joined end to end as](https://dwes9vv9u0550.cloudfront.net/images/1979506/a8d9f160-1989-4259-864c-17055c4b5b5d.jpg)
Two cylinders A and B of the same material have same length, their radii being in the ratio of 1 : 2 , respectively. The two are joined end to end as
![EMPIRE on Twitter: "Congratulations @xxxtentacion for this years Top R&B Album @billboard nomination for #17! #BBMA #EMPIRE https://t.co/gYTFv1dUCK" / Twitter EMPIRE on Twitter: "Congratulations @xxxtentacion for this years Top R&B Album @billboard nomination for #17! #BBMA #EMPIRE https://t.co/gYTFv1dUCK" / Twitter](https://pbs.twimg.com/media/DbLD8dMVwAAU61i.jpg:large)
EMPIRE on Twitter: "Congratulations @xxxtentacion for this years Top R&B Album @billboard nomination for #17! #BBMA #EMPIRE https://t.co/gYTFv1dUCK" / Twitter
![The Billboard Book of Top 40 R and B and Hip-Hop Hits: Whitburn, Joel: 9780823082834: Amazon.com: Books The Billboard Book of Top 40 R and B and Hip-Hop Hits: Whitburn, Joel: 9780823082834: Amazon.com: Books](https://m.media-amazon.com/images/I/51+faiZ9sKL._AC_UF1000,1000_QL80_.jpg)
The Billboard Book of Top 40 R and B and Hip-Hop Hits: Whitburn, Joel: 9780823082834: Amazon.com: Books
![Billboard Music Awards on Twitter: ".@xxxtentacion is up for Top R&B Album at the #BBMAs! https://t.co/tEbeSnbm24" / Twitter Billboard Music Awards on Twitter: ".@xxxtentacion is up for Top R&B Album at the #BBMAs! https://t.co/tEbeSnbm24" / Twitter](https://pbs.twimg.com/media/Db-nEJGVMAAUwAx.jpg)