Recent content by dari09

Homework Statement When a metal rod is heated, not only its resistance but also its length and its cross-sectional area change. The relation R = L/A suggests that all three factors should be taken into account in measuring at various temperatures. (a) If the temperature changes by 5.0 C°...

Rotational Inertia Problem--PLEASE HELP! Homework Statement Figure 12-39 shows a rigid structure consisting of a circular hoop, of radius R and mass m, and a square made of four thin bars, each of length R and mass m. The rigid structure rotates at a constant speed about a vertical axis...