A 0.75kg trolley is attached to a spring as shown in the picture. The trolley is pulled back to extend the spring by 15pm. The

Question

A 0.75kg trolley is attached to a spring as shown in the picture. The trolley is pulled back to extend the spring by 15pm. The spring has a spring constant of 80 N/cm. The trolley is released and is accelerated by the spring. Calculate the maximum speed of the trolley. What assumption are you making?

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