a body travel a distance of 15m from a to b and them movrs 20 m at right angles to ab. calculate the total distance covered and displacement.

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To calculate the total distance covered, you need to find the sum of the distances traveled in each leg of the journey. In this case, the body first travels a distance of 15m from point A to point B, and then moves 20m at right angles to AB. Therefore, the total distance covered is the sum of these distances, which is 15m + 20m = 35m.

To calculate the displacement, you need to find the straight line distance from the starting point to the ending point. In this case, the body starts at point A and ends at point B. The displacement is the straight line distance between these two points.

To find the displacement, you can use the Pythagorean theorem. The displacement (d) can be found using the formula:

d = √(x² + y²)

Where x is the horizontal distance traveled (20m) and y is the vertical distance traveled (0m in this case, as the movement is at right angles to AB). Thus, the displacement is:

d = √(20² + 0²) = √(400 + 0) = √400 = 20m

Therefore, the total distance covered is 35m, and the displacement is 20m.