Because they are different they all show different traits.
Explanation:
I don't understand this question
could you please explain
Answer:
In contrast, the intrinsic brightness of an astronomical object, does not depend on the distance of the observer or any extinction. The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (33 ly).
Explanation:
Answer:0.69
Explanation:
Coefficient of kinetic friction=f/R=61.8/90=0.69