Two flat mirrors are perpendicular to each other (like this: _| ask me to draw if this is unclear). An incoming beam of light makes an angle of 45 degrees with the first mirror. What angle will the outgoing beam make with the second mirror

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?

If forces acting on an object are unbalanced. true or false

Explain why electric current cannot exist if a current doesn't have a voltage source.