3. A gear train has a ratio of 60/12 and the driving gear is turning 150 RPM. What is the speed of the driven gear in RPM? _
How to solve this ?

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 diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?