Una nave espacial de la federacion comercial pasa volando cerca del planeta fulgarante con una rapidez de o.600c un cientifico que halla en fulgarante mide la longitud de la nave en movimienti y encuentra que es 74.0m la nave aterrizada poco despues del fulgarante y el mismo cientifico mide la longitud de la nave ahora inmovil ¿que valor obtiene?

What is the equation for electrical work?

Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m