A slingshot obeying Hooke’s law is used to launch pebbles vertically into the air. You observe that if you pull a pebble back 23.6 cm against the elastic band, the pebble goes 6.1 m high. a) Assuming that air drag is negligible, how high will the pebble go if you pull it back 47.2 cm instead? b)How far must you pull it back so it will reach 12.2 m? c)If you pull a pebble that is twice as heavy back 23.6 cm, how high will it go?

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