In classical mechanics there are three base dimensions. length is one of them. what are the other two? view available hint(s)

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

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