Does the order of the layers of the atmosphere matter?

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

Write a letter to your local newspaper. be sure to include the following information in your letter •address the letter to the editor of a local newspaper •identify the three energy sources most used in your state •discuss the influence of cost and availability on your states statistics •describe how each energy source impacts the local environment •explain your opinion with at least five facts from your researce •end the letter with a closing and your signature

If a spring constant is 40 n/m and an object hanging from it stretches it 0.50 m, what is the mass of the object?