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In a 200 m swimming competition, a swimmer takes 12.2 s for the first lap, 12.6 s for the second lap, 12.8 s for the third lap and 12.5 s for the fourth lap. One lap is 50 m long. Find the average speed of the swimmer.

In a 200 m swimming competition, a swimmer takes 12.2 s for the first lap, 12.6 s for the second lap, 12.8 s for the third lap and 12.5 s for the fourth lap. One lap is 50 m long. Find the average speed of the swimmer.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Example 3 In a 200 m swimming competition, a swimmer takes H/W Example 4 A runner acce 12.2 s for the first lap, 12.6 s for the second lap, 12.8s reaches a velc for the third lap and 12.5 s for the fourth lap. One lap is acceleration? 50 m long. Find the average speed of the swimmer. =10 Example 5 H/w Example 6 A vehicle accelerates uniformly from rest to a speed of Kamal whe 25 ms in 100s along a straight road. It then Stops on ha decelerates uniformly at 0.2 ms for 60 s. Find the traffic (a) the initial acceleration, ms' after (b) the final speed (a) Detern after decelerating (b) After come to a ca) Cb) u
Transcribed Image Text:Example 3 In a 200 m swimming competition, a swimmer takes H/W Example 4 A runner acce 12.2 s for the first lap, 12.6 s for the second lap, 12.8s reaches a velc for the third lap and 12.5 s for the fourth lap. One lap is acceleration? 50 m long. Find the average speed of the swimmer. =10 Example 5 H/w Example 6 A vehicle accelerates uniformly from rest to a speed of Kamal whe 25 ms in 100s along a straight road. It then Stops on ha decelerates uniformly at 0.2 ms for 60 s. Find the traffic (a) the initial acceleration, ms' after (b) the final speed (a) Detern after decelerating (b) After come to a ca) Cb) u
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