A 105 kg horizontal platform is a uniform disk of radius 1.97 m and can rotate about the vertical axis through its center. A 60.9 kg person stands on the platform at a distance of 1.17 m from the center, and a 28.1 kg dog sits on the platform near the person 1.31 m from the center. Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis.

The moment of inertia of the system is 335.23

Explanation:

Given:

Mass of disk kg

Radius of disk m

Mass of person kg

Distance between person and axis of rotation m

Mass of dog kg

Distance between dog and axis of rotation m

For finding moment of inertia of this system,

Where Perpendicular distance between axis of rotation and object,

mass of object.

Therefore, the moment of inertia of the system is 335.23

current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2