A slingshot obeying hookes law is used to launch pebbles, Ask an Expert

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A slingshot obeying Hooke's law is used to launch pebbles vertically into the air. You observe that if you pull a pebble back 18.2 cm against the elastic band, the pebble goes 5.0 m high.

Part A How far must you pull it back so it will reach 10.0 m? Express your answer to three significant figures and include the appropriate units.

Part B If you pull a pebble that is twice as heavy back 18.2 cm, how high will it go? Express your answer to two significant figures and include the appropriate units.

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Category:- Physics
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