Find the density of a 5 kg solid cylinder. the cylinder is 5 cm tall and has a radius of 2 cm.

Density=mass/volume 

mass= 5kg 

volume: πr²h 
= π(2)²(5) 
=62.83 cm³ or 0.06283 m³

density: m/v 
d= 5/0.06283 m³
d=79.57 kg/m³

Hope I helped :) 

Ithink it is letter b, i may be wrong but i think that is the answer

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.