Acertain cloud contains 220 water droplets per cubic centimeter. if 1cubic meter = 1,000,000cubic centimeters, how many drops are in one cubic of the cloud ?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Why does a collision with an airbag cause less damage than a collision with a steering wheel

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?