A car brakes from 30 m/s to a stop in 5 seconds. What is the car's acceleration? For full credit make sure to show your work and include units with your answer. Equations Options: (You only need one) Vf-Vi t a= 1 201² v=at

I need help with this problem, please.

Pls help ASAP. Pls do all asked questions. Make sure to include all work, units, diagrams, proper notations.

1. 2. Draw a picture to represent this problem and show all work. A rope is being used to pull a rather large Christmas tree from your car to your house. The rope exerts a force of 83 pounds on the tree, and it makes an angle of 28° with the ground. Find the work done in moving the Christmas tree the 122 straight- line feet to your house. Round to the nearest unit and write your answer on the line provided. 1. Draw a picture to represent the problem. Show all work. You are left without a car after a party, and you must pull one of your "tipsy" friends home to your dorm room in a wagon that a friend let you borrow for the trip. A force of 117 pounds is made on the handle pulling the wagon up a hill that has an incline of 3.4° just in front of the dorm. Find the work done in moving the wagon the final 19 feet up the hill if the handle makes a 32° angle to a horizontal with the ground. Round to the nearest unit and write your answer on the line provided. 2.