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9. A spring-loaded toy gun is used to shoot a ball of mass m-2.50 kg straight up in the air, as shown below. The spring has spring constant k-500 NI/m. If the spring is compressed a distance of 20.0 centimeters from its equilibrium position y-0 and then released, the ball reaches a maximum height hmax (measured from the equilibrium position of the spring). There is no air resistance, and the ball never touches the inside of the gun. Assume that all movement occurs in a straight line up and down along the y axis. 000 M (25) Find Vn the muzzle velocity of the ball (G.e, the velocity of the ball at the springs equilibrium position y 0). a. a kxpe V1.as b. Find the maximum height /oas of the ball. 나,a + 10-10.11
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