Field lines point out from one end of an object and loop around to enter the other end of the object. which statement best describes the object? a. it is an iron bar. b. it is positively charged on each end. c. it is a permanent magnet. d. it is negatively charged on each end.

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.)

Which of the following is an example of motion in two dimensions?

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