Algol consists of a 3.7 msun main-sequence star and a 0.8 msun subgiant. why does this seem surprising, at least at first?

Both physical feature and behaviors can be inherited True False

How do the stars die?

The number of protons in the nucleus of an atom determines the species of the atom, i. e., the element to which the atom belongs. An atom has the same number of protons and neutrons. But the electron number cannot be used instead because A.

Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip. Which best describes Kai's roundtrip? His speed was 1 m/s, and his velocity was 0.

Why is momentum considered a vector quantity?

Which electromagnetic waves have a higher frequency than visible light

Calculate the speed for a car that went a distance of 125 miles in 2 hours time

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.

A train travels 120 km in 2 hours and 30 minutes what is the average speed