Venus and mars are 1.20x10^11m apart. The mass of Venus is 4.87x10^24kg, the mass of mars is 6.4x10^23kg, and G=6.67x10^-11N x m^2.kg^2. What is the magnitude of the gravitational force exerted by Venus on Mars at that point?

Along, straight wire with 3.0 a current flowing through it produces magnetic field strength 1.0 t at its surface. if the wire has a radius r, where within the wire is the field strength equal to 36.0% of the field strength at the surface of the wire? assume that the current density is uniform throughout the wire

The consumption of fossil fuels could be

The two required components for a generator are