I bought a car which has an acceleration of 0.5 m/s²for the first 60 seconds, maintains velocity for 240 seconds, then decelerates at-1 m/s? for the last 30 seconds until it stops. How far did it go from starting point? Answer: 8550 m or 8.55 km

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 9CQ: When a 10,000-rn runner competing on a 400-rn track crosses the finish line, what is the runner’s...
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How to solve X2, X3 and X4 in order to complete the Xt and arrive at the answer which is 8550 m or 8.55 km

I bought a car which has an acceleration of 0.5 m/s² for
the first 60 seconds, maintains velocity for 240 seconds, then
decelerates at -1 m/s² for the last 30 seconds until it stops.
How far did it go from starting point?
Answer: 8550 m or 8.55 km
- X、+ メ,+*ztXq
T.
* vs t
メ。
o ='X
%3D
Y, : at?. ?
X2
X3= X, + V,t +
405
X q= X, +VF + ¿at?
X,
60s
310
340s
Transcribed Image Text:I bought a car which has an acceleration of 0.5 m/s² for the first 60 seconds, maintains velocity for 240 seconds, then decelerates at -1 m/s² for the last 30 seconds until it stops. How far did it go from starting point? Answer: 8550 m or 8.55 km - X、+ メ,+*ztXq T. * vs t メ。 o ='X %3D Y, : at?. ? X2 X3= X, + V,t + 405 X q= X, +VF + ¿at? X, 60s 310 340s
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