Physics Two Dimensional Motion Question 343
Question: A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is
[MH CET 2004]
Options:
A) 7 m/s B) 14 m/s C) 8 m/s D) 12 m/s
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Answer:
Correct Answer: B
Solution:
$ {v _{\max .}}=\sqrt{\mu rg} $
$ =\sqrt{0.5\times 40\times 9.8}=14,m/s $
BETA
