1. A dog and a cat ran a race of distance 30 km. In the trail for the race, the dog had an average speed of 2.5 ms and maintained that speed for the race. The cat takes 10 s to reach a speed of 15 ms and keeps that speed for 20 s, takes 10 s to come to a rest. It then rests for 5 s to catch his breath before then running again. b. Sketch a velocity-time graph for the cat's 1st period c. Determine the cat's average speed over the distance, assuming it continues the races by running and stopping d. Determine where the dog would be when the cat wins
1. A dog and a cat ran a race of distance 30 km. In the trail for the race, the dog had an average speed of 2.5 ms and maintained that speed for the race. The cat takes 10 s to reach a speed of 15 ms and keeps that speed for 20 s, takes 10 s to come to a rest. It then rests for 5 s to catch his breath before then running again. b. Sketch a velocity-time graph for the cat's 1st period c. Determine the cat's average speed over the distance, assuming it continues the races by running and stopping d. Determine where the dog would be when the cat wins
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter2: One Dimensional Motion
Section: Chapter Questions
Problem 52PQ: An object that moves in one dimension has the velocity-versus-time graph shown in Figure P2.52. At...
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