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A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is
Options
(a) mg(h+d)-1/2 kd²
(b) mg(h-d)-1/2 kd²
(c) mg(h-d)+1/2 kd²
(d) mg(h+d)+1/2 kd²
Correct Answer:
mg(h+d)-1/2 kd²
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
- Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively.
- The dimensions of mobility of charge carriers are
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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