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A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined at θ= sin⁻¹(1/50) to the horizontal when the engine is working at 8 x 10⁵ W.The resistance to motion of train is
Options
(a) 400 N
(b) 200 N
(c) 600 N
(d) 800 N
Correct Answer:
800 N
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ohm’s law is not applicable except to
- During mean life of a radioactive element, the fraction that disintegrates is
- An objective moves ,starting from rest through a resistive medium
- If angular momentum of a body is increased by 200% its kinetic energy will increase
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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