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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.
Related Questions: - A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
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e=300 sin[(100 π)t] V
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
- A car of mass m is moving on a level circular track of radius R
- An alternating emf given by equation e=300 sin[(100 π)t] V
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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