Two dc motors, three Led lights, 3 resistors, potentiometer, slide switch, Figure out how much power is needed to work this system. How many
volts does it need and how many watts does the motors put out.

Which of the following would not be taken into consideration when describing the quality of a sound

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.)

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat