. vilowing problems, write down the known and unknown variables, the s to be used in the calculation, detailed steps of calculations, and clearly show the units lated values. Box your final answer. - /16 pts) x/ = xi+Vava At 1) Rashid is pushing a shopping cart with an average speed of 1.75 m/s. How long will it take Rashid to push the cart down an aisle a length of 10.5 m? (4pts) 2) During a race on level ground. Suzan runs with an average velocity of 6.5 m/s to the east. What is Suzan's displacement after 150 s? (4pts) 3) A truck is initially 8.0 m west of the origin. It drives east at an average speed of 10 m/s. what is its position after 3.0 s? (4pts)