All the apples in the following diagram are identical. if each falls off its stack of books, which will have the most kinetic energy upon reaching the ground?
a
b
c
d
i want to say b but i don't know if this is a trick question!

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

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?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?