A lorry of mass 4000 kg is travelling at a speed of 4 m/s. A car has a mass of 1000 kg. The car's kinetic energy is equal to that of the lorry

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

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?

Which of these is the best way to manage a natural resource