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A 2 kg mass starts from rest on an inclined smooth surface with inclination 30° and length 2 m. How much will it travel before coming to rest on a frictional surface with frictional coefficient of 0.25?
Options
(a) 4 m
(b) 6 m
(c) 8 m
(d) 2 m
Correct Answer:
4 m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Weight of a body of mass m decreases by 1% when it is raised to height h
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The potential difference that must be applied to stop the fastest photoelectrons
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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v2=u2+2gsin30
v=root20
S=v2/2(mu)g
S=20/2*0.25*10
S=4m