Q2) A stone is projected vertically upwards from the surface of the ground with an initial speed of 25 m/s. Its average speed (in m/s) over the time interval from its projection to the moment just before hitting the ground is: A) 75 B) 9.8 C) 0 D) 12.5 E) 5.9 Q3) A car is moving along the positive x-axis at a constant speed of 12 m/s. The driver notices a red traffie light 30 m ahead of him. Thus the driver immediately applies the breaks, and the car decelerates uniformly at 3 m/s. Which of the following statements is correct? A) The car will stop at a position 75 m before reaching the traffic light. B) The car will stop at a position 75 m after the traffic light -O The car will stop at a position 6.0 m before reaching the traffic light. D) The car willl stop at a position 60 m after the traffic light E) The car will stop exactly at the position of the traffic light