Two cars are traveling on a desert road, as shown below. after 5.0s, they are side by side at the next telephone pole. the distance between the poles is 70.0m. identify the following quantities

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)