Part A A slingshot obeying Hooke's law is used to launch Assuming that air drag is negligible, how high will the pebble go if you pull it back 30.4 cm instead? pebbles vertically into the air. You observe that if you pull a pebble back 15.2 cm against the elastic Express your answer with the appropriate units. band, the pebble goes 4.9 m high. ? h = Value Units Submit Request Answer Part B How far must you pull it back so it will reach 9.8 m? Express your answer with the appropriate units