A small negative charge is placed at a point where an electric field is vertically upwards. There is a force on the charge due to the field.
In which direction does it act?

A vertically upwards

B vertically downwards

C horizontally to the right

D horizontally to the left

I would require an explanation.

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?