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A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass

A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass 16g. If the trigger is pulled,the velocity of the ball is

Options

(a) 50 ms⁻¹
(b) 40 ms⁻¹
(c) 60 ms⁻¹
(d) 90 ms⁻¹

Correct Answer:

90 ms⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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