Two students push on a 5-kg cart from opposite sides

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.

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm