A. An hydraulic press has an input cylinder 1 centimeter in diameter and an output cylinder 6 centimeters in diameter. Assuming 100% efficiency, find the force exerted by the output piston when a force of 10 kilograms is applied to the input piston.
b. If the input piston is moved through 4 meters, how far is the output piston moved?

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

This is the substance(s) formed in a chemical reaction.

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?