Two men push a bobsled with a total force of 250 Newtons. The combined mass of the men and the bobsled is 230 kilograms. Ignoring friction, what is the acceleration of the bobsled?? (F=maF=ma)

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

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.