A88-kg sample of liquid water is cooled from 0°c to it freezes in the process. how much heat is liberated? for water and the specific heat capacity of ice is .

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

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

Aball horizontally thrown from a cliff at 8m/s