18. Cual es la fuerza gravitacional entre dos masas esféricas de 8kg cada una y separadas entre 5m?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves