Question

A block of mass 16 kg is moving on a frictionless:
horizontal surface with velocity 4m/s and comes
to rest after pressing a spring. If the force constant
of the spring is 100 N/m then the compression
in the spring will be -
(1) 3.2 m (2), 1.6 m (3) 0-6 m (4) 6.1 m:
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Answer 1

Explanation:

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Answer 2

Answer:

Use work energy theorm you will be able get option2