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Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s², how long does it take to travel the 200 m up the ramp? (Such information migh useful to a traffic engineer.) (a) Using the notation Ax for displacement, v for the final velocity, vo for the initial velocity, a for acceleration, and t for time, determine what quantities are known and what are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system used in Part 1. Note: This question has 7 attempts Enter to 3 significant figures Ax= Vo m/s m/s² (b) Is the acceleration constant? = m a =

Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s², how long does it take to travel the 200 m up the ramp? (Such information migh useful to a traffic engineer.) (a) Using the notation Ax for displacement, v for the final velocity, vo for the initial velocity, a for acceleration, and t for time, determine what quantities are known and what are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system used in Part 1. Note: This question has 7 attempts Enter to 3 significant figures Ax= Vo m/s m/s² (b) Is the acceleration constant? = m a =

College Physics
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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(c) From the list below, choose an appropriate equation of motion to solve for t. Note that the list below some invalid choices. So make sure you check for validity for equations. ● Ax = Vot (vo + v) • Δx= 2 • v = V₁ + at ✓² = √²+2a4x t = 1 • Ax=v₁t+ =—= at² 2 Enter to 3 significant figures S Hint: You may have to solve a quadratic equation. Making-Sense: Does your answer seem reasonable on a typical free-way ramp?
Transcribed Image Text:(c) From the list below, choose an appropriate equation of motion to solve for t. Note that the list below some invalid choices. So make sure you check for validity for equations. ● Ax = Vot (vo + v) • Δx= 2 • v = V₁ + at ✓² = √²+2a4x t = 1 • Ax=v₁t+ =—= at² 2 Enter to 3 significant figures S Hint: You may have to solve a quadratic equation. Making-Sense: Does your answer seem reasonable on a typical free-way ramp?
Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s², how long does it take to travel the 200 m up the ramp? (Such information might useful to a traffic engineer.) (a) Using the notation Ax for displacement, v for the final velocity, vo for the initial velocity, a for acceleration, and t for time, determine what quantities are known and what are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system used in Part 1. Note: This question has 7 attempts Enter to 3 significant figures Δx= V= m ✔m/s m/s² (b) Is the acceleration constant? a =
Transcribed Image Text:Suppose a car merges into freeway traffic on a 200-m-long ramp. If its initial velocity is 10.0 m/s and it accelerates at 2.00 m/s², how long does it take to travel the 200 m up the ramp? (Such information might useful to a traffic engineer.) (a) Using the notation Ax for displacement, v for the final velocity, vo for the initial velocity, a for acceleration, and t for time, determine what quantities are known and what are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system used in Part 1. Note: This question has 7 attempts Enter to 3 significant figures Δx= V= m ✔m/s m/s² (b) Is the acceleration constant? a =
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