A solid sphere and a solid cylinder of the same mass and radius ...

[ap345]

A solid sphere and a solid cylinder of the same mass and radius roll without slipping at the same speed. It is correct to say that the total kinetic energy of the solid sphere is
 
  A) more than the total kinetic energy of the cylinder.
  B) less than the total kinetic energy of the cylinder.
  C) equal to the total kinetic energy of the cylinder.
  D) impossible to compare to the total kinetic energy of the cylinder.

Question 2

What is the result of 1.58  3.793 written with the correct number of significant figures?
 
  A) 4.1656  10-1
  B) 4.166  10-1
  C) 4.17  10-1
  D) 4.2  10-1
  E) 4  10-1

[kalskdjl1212]

Answer to Question 1

B

Answer to Question 2

C

[ap345]

Thank you!

[kalskdjl1212]

Always glad to help...