10. Challenge/optional: A slingshot made of a elastic cord of spring constant k and un- stretched length 2l, is stretched and used to shoot a small stone of mass m. If the cord is stretched to a length 2l, as shown below, what is the resulting speed of the stone right after it is shot? Express your answer in terms of l, lo, k and m.
10. Challenge/optional: A slingshot made of a elastic cord of spring constant k and un- stretched length 2l, is stretched and used to shoot a small stone of mass m. If the cord is stretched to a length 2l, as shown below, what is the resulting speed of the stone right after it is shot? Express your answer in terms of l, lo, k and m.
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Transcribed Image Text:10. Challenge/optional: A slingshot made of a elastic cord of spring constant k and un-
stretched length 2l, is stretched and used to shoot a small stone of mass m. If the cord
is stretched to a length 2l, as shown below, what is the resulting speed of the stone
right after it is shot? Express your aswer in terms of l, lo, k and m.
stone
to
10
unstretched cord
stretched cord
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