A car is initially at rest on a straight road. The graph shows the speed of the car as a function of time. v (m/s) 12 11 10 9 8 7 5 4 3 2 1 0 J 1 2 A 3 4 5 7 t(s) What is the speed of the car at t=7 s? 6 8 9 10 11 12 13 Submit Answer Tries 0/12 How much distance did the car cover in the first 8 seconds? Submit Answer Tries 0/12 Determine the distance covered by the car between t=9 s and t=14 s? Submit Answer Tries 0/12 What is the average speed of the car between t=4 s and t=7 s? 1

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State Plane Coordinate Systems

The state plane coordinate system (SPCS or SPS) is a collection of 124 coordinate systems or geographic zones prepared for particular regions of the U.S. Every state consists of one or more than one state plane zone, the boundaries of which generally follow the county lines. Inside the U.S., there are 110 zones in total, 10 more zones in Alaska, 5 in Hawaii, and 1 for Puerto Rico and US Virgin islands. The system is extensively used for geospatial and geographic data assembling by the state and local governments.