QUESTION 1The terms constant speed and constant rate areinterchangeable.TrueFalseQUESTION 2In a velocity vs time graph, which of the following linesegments represents a positive constantacceleration?+DHEtimeFBvelocity8ABDEBCEF

Answered: Image /qna-images/answer/0765df42-56e9-4ac4-9966-fdc00d945c09.jpg

Answered: QUESTION 1 The terms constant speed and…

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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An SUV travels a 1.30 km levelled road from Bonifacio Rotunda to Citylights Hotel ig a minimum time of 45.60 sec. The SUV starts from rest at the Rotunda, travels at constant speed for some time and will stop at Citylights Hotel. Given that the car accelerates and decelerates at 2.53 m/s, determine: a. The maximum speed (in kph) b. The time (in seconds) it travels at this speed. Assume that the time for accelerating and decelerating are equal.
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A sprinter reaches his maximum speed in 2.0 seconds from rest with constant acceleration. He then maintains that speed and finishes the 100 yards in the overall time of 9.67 seconds. Determine his maximum speed Vmax. t = 0 100 yd- t = 2.0 sec Answer: Vmax i t = 9.67 sec ft/sec
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Context The position of a peculiar fish as a function of time is given by the following equation. Time is in seconds, position is in meters, and the positive direction is to the right. x(t) = 2t3 + 12t2 - 72t The fish's position, velocity, and acceleration functions are x = 2t3 + 12t2 - 72t, v = 6t2 + 24t - 72, and a = 12t + 24. Question: When, if ever, is the fish at rest? Drag the appropriate label(s) to the correct location(s) on the number line. Remember that it is the circle in the upper left corner of the label that must be in the correct place. Drag the period (.) to denote a single time; for example, t=0. Drag the left bracket ([) to denote the lower end of a range; for example, t>0. Drag the right bracket (]) to denote the upper end of a range; for example, t<0. Drag "none" anywhere near the line if the fish is never at rest. You may place as many of each symbol on the line as needed. See image attached:
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A motorist travels 70 km at 120 km/h, and 65 km at 95 km/h. ▼ Part A What is the average speed for the trip? Express your answer using three significant figures. Uav = Dig Templates Symbols undo redo reset keyboard shortcuts help ΑΣΦΑ / C km/h

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QUESTION 1 The terms constant speed and constant rate are interchangeable. True False QUESTION 2 In a velocity vs time graph, which of the following line segments represents a positive constant acceleration? 7 謝 B + velocity I AB DE BC EF U₁ D time E F