A test car starts from rest on a horizontal circular track of 100-m radius and increases its speed at a uniform rate to reach 85 km/h in 13 seconds. Determine the magnitude a of the total acceleration of the car 7 seconds after the start. 100 m

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A test car starts from rest on a horizontal circular track of 100-m radius and increases its speed at a uniform rate to reach 85 km/h in
13 seconds. Determine the magnitude a of the total acceleration of the car 7 seconds after the start.
100 m
Part 1
Correct
Calculate the tangential component aț of the acceleration.
Answer: a = 1.816
m/s?
Transcribed Image Text:A test car starts from rest on a horizontal circular track of 100-m radius and increases its speed at a uniform rate to reach 85 km/h in 13 seconds. Determine the magnitude a of the total acceleration of the car 7 seconds after the start. 100 m Part 1 Correct Calculate the tangential component aț of the acceleration. Answer: a = 1.816 m/s?
How fast is the car going when t= 7 s?
Answer: v =
i
m/s
Transcribed Image Text:How fast is the car going when t= 7 s? Answer: v = i m/s
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