Holding a slingshot at arm's length, he pulls the light elastic band back to his chin and releases it to launch a stone horizontally with a speed of 200 cm/s. Using the same procedure, a bean is thrown with a speed of 600 cm/s. What is the ratio of the mass of the bean to the mass of the stone? a. 1/3 b. 3 c. 9 d. 1/9

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Q: Hello! The answer to Ex (-9.27) on here says it is incorrect.

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