A stuntman drives a car of mass 1125 east with a speed of 20m/s.

a. If the car accelerates at a rate of -2m/s^2, how long will it take the car to go 50m

b. The stuntman drives the car off an 80m cliff while going 15m/s. How long will it take the car to land?

c. How far horizontally from the cliff will the car land?

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

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?

If forces acting on an object are unbalanced. true or false