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0 ms in 120s assume the air resistance remains

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Unformatted text preview: the spring is added to both sides of the conserva-on of energy equa-on A ball of mass m=9 kg is moving with velocity v=6 m/s toward a spring of k=36 N/m. It compresses the spring and finally stops. Ignore any fric-onal forces. How much the spring is compressed? Nonconserva-ve Forces and Energy •  In equa-on form: •  The energy can either cross a boundary or the energy is transformed into a form of non- mechanical energy such as thermal energy –  If posi-ve work is...
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