Astronomers discover an exoplanet, a planet obriting a star other than the Sun, that has an orbital period of 3.37 3.37 Earth years in a circular orbit around its star, which has a measured mass of 3.67× 10 30 kg 3.67×1030 kg . Find the radius r of the exoplanet's orbit.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.