Awave travels at a constant speed. how does the wavelength change if the frequency is reduced by a factor of 3 ? a. the wavelength increases by a factor of 3. b. the wavelength decreases by a factor of 3. c. the wavelength increases by a factor of 9. d. the wavelength does not change.

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?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.