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Question: Answered & Verified by Expert
A racing car travels on a track (without banking) ABCDEFA (Fig). ABC is a circular arc of radius 2 R. CD and FA are straight paths of length R and DEF is a circular arc of radius R = 100 m. The coefficient of friction on the road is µ = 0.1. The maximum speed of the car is 50 m s–1. Find the minimum time for completing one round.

ChemistryLaws of MotionNEET
Options:
  • A 89.7s
  • B 86.3s
  • C 81.6s
  • D 88.97s
Solution:
1964 Upvotes Verified Answer
The correct answer is: 86.3s
Correct Option is : (B)
86.3s

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