Svoy= vt and Sbusat, tbus = tboy%3D%3D2Sboy = vt = 40 + Sbus→ vt = 40+-at= st = 40+(0.2)t²=÷t² –3t+10 = 02%3D101-at?t = 10 sec and Sbus2-(0.2)(10) = 50m%3Db) Vbus=u+ at = 0 + (0.2)(10) =2 m/sThe electric train in Addis Ababa is designed to operate at alimiting acceleration and declaration of 0.6g. And if its velocity islimited to 400 km/h. What is the minimum time for the train tomake a 10 km trip?Solution:%3DUtr

The electric train in Addis Ababa is designed to operate at à limiting acceleration and declaration of 0.6g. And if its velocity is limited to 400 km/h. What is the minimum time for the train to make a 10 km trip?

The electric train in Addis Ababa is designed to operate at à limiting acceleration and declaration of 0.6g. And if its velocity is limited to 400 km/h. What is the minimum time for the train to make a 10 km trip?

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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Distance and Speed

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Question

Svoy
= vt and Sbus
at
, tbus = tboy
%3D
%3D
2
Sboy = vt = 40 + Sbus
→ vt = 40+-at= st = 40+(0.2)t²=÷t² –3t+10 = 0
2
%3D
10
1
-at?
t = 10 sec and Sbus
2
-(0.2)(10) = 50m
%3D
b) Vbus=u+ at = 0 + (0.2)(10) =2 m/s
The electric train in Addis Ababa is designed to operate at a
limiting acceleration and declaration of 0.6g. And if its velocity is
limited to 400 km/h. What is the minimum time for the train to
make a 10 km trip?
Solution:
%3D
Utr

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