I believe that the correct answer you are looking for is the distance traveled
Answer:
(a) 3107.98 J
(b) 14530.6 J
Explanation:
mass, m = 3.56 kg
angular speed, ω = 179 rad/s
Moment of inertia of solid cylinder, I = 1/2 mr^2
where, m is the mass and r be the radius of the cylinder.
(a) radius, r = 0.330 m
I = 0.5 x 3.56 x 0.330 x 0.330 = 0.194 kgm^2
The formula for the rotational kinetic energy is given by

K = 0.5 x 0.194 x 179 x 179 = 3107.98 J
(b) radius, r = 0.714 m
I = 0.5 x 3.56 x 0.714 x 0.714 = 0.907 kgm^2
The formula for the rotational kinetic energy is given by

K = 0.5 x 0.907 x 179 x 179 = 14530.6 J
Answer:
infrared
Explanation:
Electromagnetic spectrum w.r.t. increasing frequency is
Radio waves
Microwaves
Infra red
visible
ultra violet
x rays
gamma rays
Answer:
The magnetic energy density is 
Explanation:
From the question we are told that
The earths magnetic field is 
Now

=> 
So


Generally the magnetic energy density is mathematically represented as

Here
is the permeability of free space with a constant value

substituting values for equation above

