A block of mass 2 kg collides with a horizontal massless spring of force constant 2 Nm–1…
Physics · JEE Main · NTA Exams — Laws of Motion
A block of mass 2 kg collides with a horizontal massless spring of force constant 2 Nm–1 . The block compresses the spring 4 m from the rest position. Speed of the block at the instant of collision is
- 16 m/s
- 4 m/s
- 8 m/s
- 12 m/s
Answer
(B) 4 m/s
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