Freight trains can produce only relatively small accelerations and decelerations. Leg 1 What is the final velocity and position of a freight train that accelerates at a rate of 0.0700 m/s² for 4.00 minutes, starting with an initial velocity of 2.00 m/s? (a) • Using the notation Ax=x-xo for displacement, x for final position, xo for initial position, v for final velocity, v for initial velocity, a for acceleration, and t for time, determine what quantities are known and what quantities are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system in Part 1. Enter to 3 significant figures. Enter with correct signs. Vo = m/s m/s² a = t= S (b) is the motion of the freight train one with constant velocity or constant acceleration? This will help you choose the correct equations of motion. (c) Choose an appropriate equation of motion from List 1 to calculate the final velocity of the train after 4.00 minutes. List 1 Ax= vt Ax= (v₁ + v) ₁ t 2 v=v₁ + at ✓= √²+2a4x

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
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Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 9CQ: Consider the following combinations of signs and values for the velocity and acceleration of a...
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(g) Time taken for the train to come to a stop.
Enter to 3 significant figures
✔S
Choose an appropriate equation of motion from List 1 to calculate how far the train will travel
before stopping.
(h) Displacement of the train before stopping (Leg 2 only).
Enter to 3 significant figures
Δx=
✔m
Transcribed Image Text:(g) Time taken for the train to come to a stop. Enter to 3 significant figures ✔S Choose an appropriate equation of motion from List 1 to calculate how far the train will travel before stopping. (h) Displacement of the train before stopping (Leg 2 only). Enter to 3 significant figures Δx= ✔m
Freight trains can produce only relatively small accelerations and decelerations.
Leg 1
What is the final velocity and position of a freight train that accelerates at a rate of 0.0700 m/s²
for 4.00 minutes, starting with an initial velocity of 2.00 m/s?
(a)
• Using the notation Ax= x-xo for displacement, x for final position, xo for initial position,
v for final velocity, vo for initial velocity, a for acceleration, and t for time, determine what
quantities are known and what quantities are unknown.
• Enter the values of some known quantities below.
• Make sure you account for the signs of the vectors using the coordinate system in Part 1.
Enter to 3 significant figures. Enter with correct signs.
Vo =
a =
t =
(b) Is the motion of the freight train one with constant velocity or constant acceleration? This will help
you choose the correct equations of motion.
Ax= vt
(c) Choose an appropriate equation of motion from List 1 to
calculate the final velocity of the train after 4.00 minutes.
List 1
Δx=
(vo + v)
2
✔m/s
m/s²
t
S
V = V₁ + at
✓²= √²+2a4x
Transcribed Image Text:Freight trains can produce only relatively small accelerations and decelerations. Leg 1 What is the final velocity and position of a freight train that accelerates at a rate of 0.0700 m/s² for 4.00 minutes, starting with an initial velocity of 2.00 m/s? (a) • Using the notation Ax= x-xo for displacement, x for final position, xo for initial position, v for final velocity, vo for initial velocity, a for acceleration, and t for time, determine what quantities are known and what quantities are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system in Part 1. Enter to 3 significant figures. Enter with correct signs. Vo = a = t = (b) Is the motion of the freight train one with constant velocity or constant acceleration? This will help you choose the correct equations of motion. Ax= vt (c) Choose an appropriate equation of motion from List 1 to calculate the final velocity of the train after 4.00 minutes. List 1 Δx= (vo + v) 2 ✔m/s m/s² t S V = V₁ + at ✓²= √²+2a4x
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