la dueña de un supermercado está preocupada porque varias botellas de aceite de oliva contienen unos grumos en el fondo. Sabiendo que el aceite oleico es el principal componente del aceite y su punto de fusión es 13ºC, ¿que le ha pasado al aceite? ¿Hay que retirarlo del mercado?

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

This is the number of complete movements of a wave per second.