The tip of a fan blade is 0.61 m from the center of the fan. the fan turns at a constant speed and completes 2 rotations every 1.0 s.

what is the centripetal acceleration of the tip of the fan blade?

6.0 m/s2
48 m/s2
53 m/s2
96 m/s2

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

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?

At what time will the interfering waves have an amplitudeof zero?