What is the pressure on a horizontal surface with an area of 8 msquared that is 4 m underwater? use 1000 kg divided by m cubed for the density of water and 9.8 m divided by s squared for the acceleration due to gravity. what is the correct relationship to use to find the pressure on the horizontal surface?

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?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader