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A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped by friction in 10 sec. Then the coefficient of friction is
Options
(a) 0.01
(b) 0.02
(c) 0.03
(d) 0.06
Correct Answer:
0.06
Explanation:
From equation of motion, v = u – at
⇒ o = u – μgt
⇒ μ = u/gt
= 6/(10×10)
= 0.06
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Copper and carbon wires are connected in series and the combined resistor is kept
- The unit of electric permittivity is
- A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass
- An ideal gas expands in such a manner that its pressure and volume can be related
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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