Suppose two stars are located in region a of the h-r diagram shown in the figure below. star x appears much dimmer that star y as seen from earth. which star can be inferred to be nearer to earth, and how do you know?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

How can waves travel through ground?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?