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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
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- A spherical drop of mercury having a potential of 2.5 v is obtained as a result
- A body is hangfing from a rigid support by an inextensible string of length
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- Two radiations of photons energies 1 eV and 2.5 eV, successively
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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