You are given the task of designing a dart gun powered by an ideal spring,
• The mass, m, of the dart will be 0.030 kg.
• The gun barrel is to be 8.0 cm long.
• When fired horizontally, the dart is to have a velocity, v, of 4.0 m/s as it leaves the barrel of the gun.
What is the required spring constant if the spring is to be compressed the entire 8.0 cm before releasing the dart?

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You are given the task of designing a dart gun powered by an ideal spring,
• The mass, m, of the da...
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