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Mechanical Energy and Motion

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HI well i have two questions1) a 2.0-m-long pendulum is released from rest when the support string is at an angle of 25 with the
1. 1 answer
2. asked by becky
3. 949 views
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. If nonconservative
1. 2 answers
2. asked by Donald
3. 1,024 views