Ex 3) A tennis player lobs the tennis ball up in the air during a serve at a rate 3 m/s. How long will it take the tennis ball to reach its maximum height?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

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?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt