Cumulative Problem 1 A baton is constructed by attaching two small objects that each have a mass M to the ends of a rod that has a length L and a uniform mass M. 1) Find an expression for the moment of inertia of the baton when it is rotated around a point (1/4) L from one end. (Express your answer to three significant figures.) ML Submt
Stellar evolution
We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.
Red Shift
It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.
Have tried to attack this problem in several different ways, mainly I = M1R2+M2R2+ (Icenter+Md2). But that still doesn't seem to work. The answer I got which I thought was right was 0.771 but the teacher still didn't accept it.
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