In general, what is true of the alpha star in a constellation?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Does heating a metal wire increase or decrease its electrical resistance? why?

During the past 150 years in the united states, how did energy consumption compare to population growth