Answer:
a
The angular acceleration is

b
The average angular velocity is

c
The instantaneous angular velocity is
d
The additional angle (rad) will the disk turn during the next 5.00 s is

Step-by-step explanation:
From the question we are told that
The duration of rotation is

The angular displacement is

From newtons Law the angular displacement is mathematically represented as

Where
is the angular acceleration
is the initial angular velocity and its value is 0
Making
the subject of formula

Substituting value


The average angular velocity is mathematically represented as

Substituting value

From the equations of motion the instantaneous angular velocity is mathematically represented as

Substituting value

Modifying the equation for angular displacement is mathematically represented as

From the question
is not changed
t = 5s
the initial velocity would be the instantaneous velocity
So

Substituting value

