Astronauts in orbit are not truly weightless.

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.)

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)

Which statements did both aristotle and ptolemy assume? check all that apply.