If a car is traveling eastward, can its acceleration be westward?

An aircraft performs a maneuver called an "aileron roll." during this maneuver, the plane turns like a screw as it maintains a straight flight path, which sets the wings in circular motion. if it takes it 35 s to complete the circle and the wingspan of the plane is 11 m, what is the acceleration of the wing tip

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

What does the law of conservation of mass state?