¿Cuál es la producción de potencia de una mosca de 1.4g que camina en línea recta hacia arriba por el vidrio de una ventana a 2.3 cm/s?

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

Ireally need this answer sombody fast fast