Each of four particles moves along an x axis. Their coordinates (in meters) as functions of time (in seconds) are given by particle 1: x(t) = 3.5 - 2.7t3 particle 2: x(t) = 3.5 + 2.7t3 particle 3: x(t) = 3.5 + 2.7t2 particle 4: x(t) = 3.5 - 3.4t - 2.7t2 For which of these particles is the velocity increasing for t> 0? A Only 1 (B) Only 2, 3, and 4 All four D Only 2 and 3 At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels at constant velocity and the car accelerates at 3 m/s?. How much time does the car take to catch up to the truck? A 15 s B 10 s 25 s

Each of four particles moves along an x axis. Their coordinates (in meters) as functions of time (in seconds) are given by particle 1: x(t) = 3.5 - 2.7t3 particle 2: x(t) = 3.5 + 2.7t3 particle 3: x(t) = 3.5 + 2.7t2 particle 4: x(t) = 3.5 - 3.4t - 2.7t2 For which of these particles is the velocity increasing for t> 0? A Only 1 (B) Only 2, 3, and 4 All four D Only 2 and 3 At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels at constant velocity and the car accelerates at 3 m/s?. How much time does the car take to catch up to the truck? A 15 s B 10 s 25 s

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 84A

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