An 1560 kg car passes over a bump in a road that follows the arc of a circle of radius 62.9 m. The acceleration of gravity is 9.8 m/s 2 . What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 13.9 m/s? Answer in units of N.

What is work? how much work is done to move an object 0 meters?

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

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?