PLEASE HELP Rigil Kent is a main sequence star (G2). Its temperature is measured to be about 5,800 K. If the apparent magnitude is +1.33, then how far is it from the Earth?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

Which of the following is another term for a planned economy