The diagram shows a child’s toy. The spring is compressed a distance of 0.15 m using a force of 25 N. When the release mechanism is operated the ball rises into the air.
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(a) Calculate the energy stored in the spring. [2]
(b) The mass of the ball is 0.020 kg.
Calculate:
(i) the maximum speed of the ball. [3]
(ii) the maximum vertical distance that the ball travels. [3]