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    Inelastic Collision and kinetic energy?

    Homework Statement A piece of taffy slams into and sticks to another identical piece of taffy that is at rest. The momentum of the two pieces stuck together after the collision is the same as it was before the collision, but this is not true of the kinetic energy, which is partly turned into...
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    Converting m/s to N?

    Homework Statement I'm charting vectors graphically and am given: 15m/s at 20 degrees + 6m/s at 90 degrees + 8 m/s at -135degrees. Do I have to convert the m/s into Newtons before graphing? Also, which direction would that -135degrees be in if you start at a point? I have no idea what the...
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