If anyone could help that would be great plus i’m on a timer!

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

What causes an electric current in a wire?