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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![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/s². How much time does the car take to catch up to the truck?
A) 15 s
B) 10 s
25 s
D) 5 s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb0e594a7-edb0-4049-b849-010b076ac569%2Ff69f7c49-b2d3-441d-9f0e-9b35db91432a%2Ft3301rh_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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/s². How much time does the car take to catch up to the truck?
A) 15 s
B) 10 s
25 s
D) 5 s
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