A motor cycle is moving along a straight horizontal road
with a speed v₀. If the coefficient of friction between the
tyres and the road is μ, the shortest distance in which the
car can be stopped is
(a)v₀²/2μg (b)v²/μ
(c)(v₀/μg)² (d) v₀/μg
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Answer:
(a)
Explanation:
- v^2=u^2+2as
- 0-Vo^2=2(ug)s
- therefore,
s=Vo^2/2ug
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