Which of these rotational quantities is analogous to mass in a linear system? a.
Angle in radians

b.
Angular acceleration

c.
Torque

d.
Rotational inertia

d

Explanation:

i think it is rotational inertia

because analogue of mass in rotational motion is moment of inertia. It plays the same role as mass plays in transnational motion.  

hope it's right & helps

atomic = no of protons.

mass number-atomic number = neutron number

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.