Heat is transferred to a heat engine (runs on a thermodynamic cycle) from a furnace at a rate of 80 mw. if the rate of waste heat rejection to a nearby river is 50 mw, (a) identify the thermal reservoirs, (b) determine the net power output, and (c) the thermal efficiency for this heat engine.

What is the maximum acceleration of the wing tips, in units of g?

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

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?