6. A 20 kg ball, a 10 kg medicine ball, a .025 g golf ball, and a .003 kg table tennis ball are moving with the same velocity. Which ball has the greatest momentum? *

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?