Question 1 9 Marks Two Cars Start From Rest At The Same Location And At The Same Instant And Race Along A Straight Tra 1 (39.83 KiB) Viewed 33 times
Question 1 [9 marks] Two cars start from rest at the same location and at the same instant and race along a straight track. Car A undergoes a constant acceleration of 2 ms-2 up to a speed of 40ms-1 and then runs at a constant speed. Car B undergoes a constant acceleration of 1.5 ms-2 up to a speed of 45 ms and then runs at a constant speed. Which car will win the 5 km race?
Using the results Vo + at 1 vot + S at? for constant acceleration, we can calculate the time it takes each driver to complete the 5000 m. Obviously, the one that takes the least time is the winner. IT IS VERY HELPFUL FIRST TO MAKE A DIAGRAM IN WHICH THE DYNAMICAL VARI- ABLES ARE SHOWN AT EACH OF THE IMPORTANT POINTS IN THE PATH OF EACH OF THE CARS
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!