Please help , I answered some of them but I just want to make sure if it's right

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?