A test car starts from rest on a horizontal circular track of 95-m radius and increases its speed at a uniform rate to reach 105 km/h in 17 seconds. Determine the magnitude a of the total acceleration of the car 10 seconds after the start. 95 m -X CIL

A test car starts from rest on a horizontal circular track of 95-m radius and increases its speed at a uniform rate to reach 105 km/h in 17 seconds. Determine the magnitude a of the total acceleration of the car 10 seconds after the start. 95 m -X CIL

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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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

A test car starts from rest on a horizontal circular track of 95-m radius and increases its speed at a uniform rate to reach 105 km/h in
17 seconds. Determine the magnitude a of the total acceleration of the car 10 seconds after the start.
95 m

How fast is the car going when t = 10 s?
Answer: v= i
3.539
m/s

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