Metal 1 has a larger work function than metal 2. both are illuminated with the same short-wavelength ultraviolet light. part a do photoelectrons from metal 1 have a higher speed, a lower speed, or the same speed as photoelectrons from metal 2?

True or false: the revolution of the earth creates day and night as it rotates around the sun

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

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?