Name 3 constellations visible at this time that were also visible back on march 21st.

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above

Which number has five significant figures? a. 52,000 b. 8.002 c. 6.0000 d. 0.2350