How does his velocity on his return trip compare to his velocity for the first 5 seconds?

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

The material that keeps its new shape after it is stretched is called?