a. When a person leaves his home for sightseeing by his car, the meter reads 12352 km. When he returns home after two hours the reading is 12416 km.
(a) What is the average speed of the car during this period ?
(b) What is the average velocity ?
b. An athlete takes 2"0 s to reach his maximum speed of 18"0 km/h. What is the magnitude of his average acceleration ?
c. The acceleration of a cart started at t = 0, varies with time as shown in figure (3-E2). Find the distance travelled in 30 seconds and draw the position-time graph.