A police officer detects the passing of a motorboat at an intersection. At that moment, the motor travels to a speed of 20 meters / sec. and accelerates its movement steadily and equal to 5 meters / sec?. The moment the policeman detects the motorboat, it is at 6 meters from the intersection. Using the time of motor detection as our reference (initial values): a) Determine the position (x) and the speed (v3) of the motor in a time of 4 seconds after its detection by the police officer. b) Determine the time (t) and the position (x) in which the motor travels at a speed of 50 meters / sec.
A police officer detects the passing of a motorboat at an intersection. At that moment, the motor travels to a speed of 20 meters / sec. and accelerates its movement steadily and equal to 5 meters / sec?. The moment the policeman detects the motorboat, it is at 6 meters from the intersection. Using the time of motor detection as our reference (initial values): a) Determine the position (x) and the speed (v3) of the motor in a time of 4 seconds after its detection by the police officer. b) Determine the time (t) and the position (x) in which the motor travels at a speed of 50 meters / sec.
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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Transcribed Image Text:A police officer detects the passing of a motorboat at an intersection. At that moment, the
motor travels to
a speed of 20 meters / sec. and accelerates its movement steadily and equal to
5 meters / sec?. The moment the policeman detects the motorboat, it is at
6 meters from the intersection. Using the time of motor detection as our reference (initial
values):
a) Determine the position (x) and the speed (v3) of the motor in a time of 4 seconds after its
detection by the police officer.
b) Determine the time (t) and the position (x) in which the motor travels at a speed of 50
meters / sec.
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