Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Determine the maximum r-value of the polar equation r =3+3 cos 0

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?