A solid sphere, spherical shell, solid cylinder and a cylindrical ...

[viki]

A solid sphere, spherical shell, solid cylinder and a cylindrical shell all have the same mass m and radius R. If they are all released from rest at the same elevation and roll without slipping, which reaches the bottom of an inclined plane first?
 a. solid sphere
  b. spherical shell
  c. solid cylinder
  d. cylindrical shell
  e. all take the same time

Question 2

A solid sphere, a solid cylinder, a spherical shell, and a hoop all have the same mass and radius. Each are rolling on a horizontal surface with the same center of mass speed, and then they roll up identical inclines. Which one goes the greatest distance up its incline?
 a. the hoop
  b. the solid sphere
  c. the spherical shell
  d. the cylinder
  e. They all go the same distance up their inclines.

[samiel-sayed]

Answer to Question 1

A

Answer to Question 2

A

[viki]

Gracias!

[momolu]

Thanks for the timely response, appreciate it