A 117 kg horizontal platform is a uniform disk of radius 1.51 m and can rotate about the vertical axis through its center. A 63.1 kg person stands on the platform at a distance of 1.13 m from the center, and a 27.7 kg dog sits on the platform near the person 1.43 m from the center. Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.