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An object falling straight down comes in contact with a vertical spring, causing it to compress....

An object falling straight down comes in contact with a vertical spring, causing it to compress. The maximum compression of the spring is 12cm. Parameters: m=250g; ks=200N/m; d=36cm

Use work-KE equation to determine

a. The speed of the object just as it comes into contact with the spring.

b. The maximum height above the spring device that is reached by the object during its subsequent motion.

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