En el periodo cosmológico la naturaleza vas a hacer el tema principal de investigación los griegos entendieron a la naturaleza entre otras características como esencia explique esas características

If steel is more dense that lake water, why can a boat float

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.