Alex rides a merry go round for 10 rotations. In each rotation she travels a distance of 15 meters. The ride lasts for 5 minutes. Alex then exits the ride at the same spot she boarded it. What is the magnitude of Alex's average velocity for the 5 minutes she spent on the ride 0 m/min

30 m/min

15 m/min

150 m/min

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.