Question
A circular road of radius 1000 m has banking angle 45∘. The maximum safe speed of a car having mass 2000 kg will be, if the coefficient of friction between tyre and road is 0.5
Answer: Option A
:
A
The maximum velocity for a baked road with friction,
v2 = gr(μ+tanθ1−μtanθ)
⇒ v2 = 9.8 × 1000 × (0.5+11−0.5×1) ⇒ v = 172 m/s
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:
A
The maximum velocity for a baked road with friction,
v2 = gr(μ+tanθ1−μtanθ)
⇒ v2 = 9.8 × 1000 × (0.5+11−0.5×1) ⇒ v = 172 m/s
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