(7%) Problem 2: A runaway train car that has a mass of 15500 kg travels at a speed of 5.7 m/s down a track. Randomized Variables m = 15500 kg v = 5.7 m/s F= 1300 N DA 50% Part (a) What is the time required for a force F to bring the car to rest, expressed in terms of m, v, and F? At = 7 9. HOME a 4 6. g 1 2. 3 k 0. END Vol BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 3% deduction per hint. Hints remaining: 1 Feedback: 2% deduction per feedback. E A 50% Part (b) Compute this time, in seconds, for a force of 1300 N.
(7%) Problem 2: A runaway train car that has a mass of 15500 kg travels at a speed of 5.7 m/s down a track. Randomized Variables m = 15500 kg v = 5.7 m/s F= 1300 N DA 50% Part (a) What is the time required for a force F to bring the car to rest, expressed in terms of m, v, and F? At = 7 9. HOME a 4 6. g 1 2. 3 k 0. END Vol BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 3% deduction per hint. Hints remaining: 1 Feedback: 2% deduction per feedback. E A 50% Part (b) Compute this time, in seconds, for a force of 1300 N.
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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Ch 8: Momentum Begin Date: 11/1/2020 12:01:00 AM -- Due Date: 11/16/2020 11:59:00 PM End Date: 11/27/2020 11:59:00 PM
(7%) Problem 2: A runaway train car that has a mass of 15500 kg travels at a speed of 5.7 m/s down a track.
Randomized Variables
m=15500 kg
v= 5.7 m/s
F=1300 N
4 50% Part (a) What is the time required for a force F to bring the car to rest, expressed in terms of m, v, and F?
Grade Summary
At=
Deductions
0%
Potential
100%
7.
8.
HOME
Submissions
F
4
Attempts remaining: 5
(4% per attempt)
a
j
1
detailed view
k
0.
END
S.
V
VOI BACKSPACE
DEL
CLEAR
Submit
Hint
Feedback
I give up!
Hints: 3% deduction per hint. Hints remaining: 1
Feedback: 2% deduction per feedback.
50% Part (b) Compute this time, in seconds, for a force of 1300 N.
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9.
6
2.
Expert Solution

Step 1
Given data:
Mass of the car is,
m= 15500 kg
Initial velocity of the car is,
u= 5.7 m/s
Force applied is,
F= 1300 N
Formula used:
According to Newton's second law of motion,
According to Kinematical equation of motion,
Where,
u- initial velocity,
a- Acceleration
t- Time
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