Answer to Question #69011 in Mechanics | Relativity for Caroline
Dwight uses a spring (k=70N/m) on a horizontal surface to make a launcher for model cars. The spring is attached to a holder that has a mass of 0.3kg. If he compresses the spring and releases it, the launcher will move back and fourth in periodic motion.
If he compresses the spring by 0.4m and releases it, what is the acceleration of the launcher as it reaches it natural length
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