Si una esfera metàl·lica sense càrrega neta es toca amb un altre objecte amb càrrega negativa, aquest en cedeix a l’esfera, és a dir, passen electrons d’aquest objecte a l’esfera. Així, tots dos cossos queden carregats negativament . Quin fenomen d’electrització s’està descrivint?

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?