A is moving at 173 m/s force is applied in the direction of the car's motionThe car speeds up to 29.4 m/s If the applied for 5.8 , what is the magnitude of the force?

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?