This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
ScanSolve AI Answer
a) i) • OA: The gradient of the distance-time graph is increasing, indicating that the car is accelerating (increasing its speed). • AB: The gradient is constant and positive, meaning the car is moving at a constant speed. • BC: The gradient is decreasing and eventually becomes zero, which means the car is decelerating (decreasing its speed) and then stops. ii) Step 1: Identify the total distance covered in the first 10 seconds. From the graph, at t = 0\,s, distance = 0\,m. At t = 10\,s, distance = 50\,m. Total distance = 50\,m - 0\,m = 50\,m. Step 2: Identify the total time taken. Total time = 10\,s - 0\,s = 10\,s. Step 3: Calculate the average speed. Average speed = Total distanceTotal time Average speed = 50\,m10\,s Average speed = 5\,m/s The car's average speed during the first 10s is 5 m/s.