Which of these motions can not be observed at an amusement park? A. Pendelum
B. Circular
C. Orbital ​

What are the phases shown in a and d called?

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.

Which feature of a heating curve indicates a change ofn state