:A train which is traveling at 80 mi/hr applies its brakes as it reaches point A and slows down with a constant deceleration. Its decreased velocity is observed to be 60 mi/hr as it passes a point 1/2 mi beyond A. A car moving at 50 mi/hr passes point B at the same instant that the train reaches point A. In an unwise effort to beat the train to the crossing, the driver "steps on the gas." Calculate the constant acceleration a that the car must have in order to beat the train to the crossing by 4 sec and find the velocity v of the car as it reaches the crossing. Train 1 mi 80 mi/hr B Car 50 mi/hr 1.3 mi
:A train which is traveling at 80 mi/hr applies its brakes as it reaches point A and slows down with a constant deceleration. Its decreased velocity is observed to be 60 mi/hr as it passes a point 1/2 mi beyond A. A car moving at 50 mi/hr passes point B at the same instant that the train reaches point A. In an unwise effort to beat the train to the crossing, the driver "steps on the gas." Calculate the constant acceleration a that the car must have in order to beat the train to the crossing by 4 sec and find the velocity v of the car as it reaches the crossing. Train 1 mi 80 mi/hr B Car 50 mi/hr 1.3 mi
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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Please, the time is short, and they respond to me as soon as possible. Please, quickly.
![:A train which is traveling at 80 mi/hr applies its brakes as it reaches point A and slows down with a
constant deceleration. Its decreased velocity is observed to be 60 mi hr as it passes a point 1/2 mi beyond A.
A car moving at 50 mi/hr passes point B at the same instant that the train reaches point A. In an unwise
effort to beat the train to the crossing, the driver "steps on the gas." Calculate the constant acceleration a that
the car must have in order to beat the train to the crossing by 4 sec and find the velocity v of the car as it
reaches the crossing.
Train
1 mi
80 mi/hr
B.
Car
50 mi/hr
1.3 mi](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F016146e6-09aa-4eaa-9622-4b0b1c50070e%2F7ae79415-099a-4cda-a696-23a730600757%2Ft0eklhr_processed.jpeg&w=3840&q=75)
Transcribed Image Text::A train which is traveling at 80 mi/hr applies its brakes as it reaches point A and slows down with a
constant deceleration. Its decreased velocity is observed to be 60 mi hr as it passes a point 1/2 mi beyond A.
A car moving at 50 mi/hr passes point B at the same instant that the train reaches point A. In an unwise
effort to beat the train to the crossing, the driver "steps on the gas." Calculate the constant acceleration a that
the car must have in order to beat the train to the crossing by 4 sec and find the velocity v of the car as it
reaches the crossing.
Train
1 mi
80 mi/hr
B.
Car
50 mi/hr
1.3 mi
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