Two cars start from rest and race down parallel lanes of a straight track. Vehicle A accelerates at 2 m/s2 until it acquires a speed of 144 km/h and continues with constant speed. Vehicle B accelerates at 1.5 m/s2 to a speed of 162 km/h and continues at a constant speed. Calculate a) Which vehicle wins in a 5 km race and by what distance?, b) How far have the vehicles traveled until the moment B reaches A 11:18

Two cars start from rest and race down parallel lanes of a straight track. Vehicle A accelerates at 2 m/s2 until it acquires a speed of 144 km/h and continues with constant speed. Vehicle B accelerates at 1.5 m/s2 to a speed of 162 km/h and continues at a constant speed. Calculate a) Which vehicle wins in a 5 km race and by what distance?, b) How far have the vehicles traveled until the moment B reaches A 11:18

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Two cars start from rest and race
down parallel lanes of a straight
track. Vehicle A accelerates at
2 m/s2 until it acquires a speed
of 144 km/h and continues
with constant speed. Vehicle B
accelerates at 1.5 m/s2 to a speed
of 162 km/h and continues at
a constant speed. Calculate a)
Which vehicle wins in a 5 km race
and by what distance?, b) How far
have the vehicles traveled until the
moment B reaches A
jo 11:18

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