A 750-newton person stands in an elevator that is accelerating downward. What would be the upward force from the elevator floor that is felt by the person inside? A. Equal to 0n
B. Equal to 750n
C. Less than 750n
D. Greater than 720n

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

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?