El Sol, una ampolleta, un láser, son ejemplos de: a) distintos materiales
b) fuentes opacas
c) fuentes luminosas

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

What word chemical equation describes cavendish’s experiment with zinc?