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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
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- A super conductor exhibits perfect
- A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point
- On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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